Home / 57,414.11-79,234.17-31,920.90

Finding the Fourth Proportional to 57,414.11, 79,234.17 and 31,920.90

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Solution

The fourth proportional to 57,414.11, 79,234.17 and 31,920.90 is: 44,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414.11 : 79,234.17 = 31,920.90 : x
  2. Step 2: Convert to fraction form
    57,414.11/79,234.17 = 31,920.90/x
  3. Step 3: Cross multiply
    57,414.11x = 79,234.17 × 31,920.90
  4. Step 4: Simplify right side
    57,414.11x = 2,529,226,017.15
  5. Step 5: Solve for x
    x = 2,529,226,017.15/57,414.11
  6. Step 6: Final answer
    x = 44,052.34

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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.