Home / 57,414.46-79,229.49-31,920.79

Finding the Fourth Proportional to 57,414.46, 79,229.49 and 31,920.79

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Solution

The fourth proportional to 57,414.46, 79,229.49 and 31,920.79 is: 44,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414.46 : 79,229.49 = 31,920.79 : x
  2. Step 2: Convert to fraction form
    57,414.46/79,229.49 = 31,920.79/x
  3. Step 3: Cross multiply
    57,414.46x = 79,229.49 × 31,920.79
  4. Step 4: Simplify right side
    57,414.46x = 2,529,067,912.10
  5. Step 5: Solve for x
    x = 2,529,067,912.10/57,414.46
  6. Step 6: Final answer
    x = 44,049.32

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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.