Home / 57,082.50-78,773.85-31,936.86

Finding the Fourth Proportional to 57,082.50, 78,773.85 and 31,936.86

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Solution

The fourth proportional to 57,082.50, 78,773.85 and 31,936.86 is: 44,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082.50 : 78,773.85 = 31,936.86 : x
  2. Step 2: Convert to fraction form
    57,082.50/78,773.85 = 31,936.86/x
  3. Step 3: Cross multiply
    57,082.50x = 78,773.85 × 31,936.86
  4. Step 4: Simplify right side
    57,082.50x = 2,515,789,419.11
  5. Step 5: Solve for x
    x = 2,515,789,419.11/57,082.50
  6. Step 6: Final answer
    x = 44,072.87

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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.