Home / 36,850.92-50,851.83-20,720.71

Finding the Fourth Proportional to 36,850.92, 50,851.83 and 20,720.71

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Solution

The fourth proportional to 36,850.92, 50,851.83 and 20,720.71 is: 28,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,850.92 : 50,851.83 = 20,720.71 : x
  2. Step 2: Convert to fraction form
    36,850.92/50,851.83 = 20,720.71/x
  3. Step 3: Cross multiply
    36,850.92x = 50,851.83 × 20,720.71
  4. Step 4: Simplify right side
    36,850.92x = 1,053,686,022.40
  5. Step 5: Solve for x
    x = 1,053,686,022.40/36,850.92
  6. Step 6: Final answer
    x = 28,593.21

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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.