Home / 42,002.12-57,962.92-23,139.24

Finding the Fourth Proportional to 42,002.12, 57,962.92 and 23,139.24

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Solution

The fourth proportional to 42,002.12, 57,962.92 and 23,139.24 is: 31,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.12 : 57,962.92 = 23,139.24 : x
  2. Step 2: Convert to fraction form
    42,002.12/57,962.92 = 23,139.24/x
  3. Step 3: Cross multiply
    42,002.12x = 57,962.92 × 23,139.24
  4. Step 4: Simplify right side
    42,002.12x = 1,341,217,859.13
  5. Step 5: Solve for x
    x = 1,341,217,859.13/42,002.12
  6. Step 6: Final answer
    x = 31,932.15

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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.