What is 20 percent of 40000?

Well, isn't that a happy little math problem! To find 20 percent of 40,000, you simply multiply 40,000 by 0.20 (which is the decimal form of 20 percent). When you do the math, you'll find that 20 percent of 40,000 is 8,000. Just imagine all the wonderful things you could do with that 8,000!