Home / 42,400.85-58,508.19-25,170.53

Finding the Fourth Proportional to 42,400.85, 58,508.19 and 25,170.53

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Solution

The fourth proportional to 42,400.85, 58,508.19 and 25,170.53 is: 34,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,400.85 : 58,508.19 = 25,170.53 : x
  2. Step 2: Convert to fraction form
    42,400.85/58,508.19 = 25,170.53/x
  3. Step 3: Cross multiply
    42,400.85x = 58,508.19 × 25,170.53
  4. Step 4: Simplify right side
    42,400.85x = 1,472,681,859.10
  5. Step 5: Solve for x
    x = 1,472,681,859.10/42,400.85
  6. Step 6: Final answer
    x = 34,732.37

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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.