# 36 is 40 percent of what number?

Answer: 36 is 40 percent of 90

## Fastest method for calculating 36 is 40 percent of what number

Assume the unknown value is 'Y'

36 = 40% x Y

36 = 40 / 100 x Y

Multiplying both sides by 100 and dividing both sides of the equation by 40 we will arrive at:

Y = 3 x 100 / 40

Y = 90%

Answer: 36 is 40 percent of 90

If you want to use a calculator, simply enter 36x100÷40 and you will get your answer which is 90

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## Have time and want to learn the details?

Let's solve the equation for Y by first rewriting it as: 100% / Y = 40% / 36

Drop the percentage marks to simplify your calculations: 100 / Y = 40 / 36

Multiply both sides by Y to move Y on the right side of the equation: 100 = ( 40 / 36 ) Y

Simplifying the right side, we get: 100 = 40 Y

Dividing both sides of the equation by 40, we will arrive at: 90 = Y

This leaves us with our final answer: 36 is 40 percent of 90