Home / 36,831.02-50,824.42-21,720.22

Finding the Fourth Proportional to 36,831.02, 50,824.42 and 21,720.22

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Solution

The fourth proportional to 36,831.02, 50,824.42 and 21,720.22 is: 29,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,831.02 : 50,824.42 = 21,720.22 : x
  2. Step 2: Convert to fraction form
    36,831.02/50,824.42 = 21,720.22/x
  3. Step 3: Cross multiply
    36,831.02x = 50,824.42 × 21,720.22
  4. Step 4: Simplify right side
    36,831.02x = 1,103,917,606.44
  5. Step 5: Solve for x
    x = 1,103,917,606.44/36,831.02
  6. Step 6: Final answer
    x = 29,972.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.