Home / 31,132.98-42,972.66-17,711.73

Finding the Fourth Proportional to 31,132.98, 42,972.66 and 17,711.73

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Solution

The fourth proportional to 31,132.98, 42,972.66 and 17,711.73 is: 24,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,132.98 : 42,972.66 = 17,711.73 : x
  2. Step 2: Convert to fraction form
    31,132.98/42,972.66 = 17,711.73/x
  3. Step 3: Cross multiply
    31,132.98x = 42,972.66 × 17,711.73
  4. Step 4: Simplify right side
    31,132.98x = 761,120,151.30
  5. Step 5: Solve for x
    x = 761,120,151.30/31,132.98
  6. Step 6: Final answer
    x = 24,447.39

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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.