Home / 66,372.31-91,593.07-38,082.43

Finding the Fourth Proportional to 66,372.31, 91,593.07 and 38,082.43

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Solution

The fourth proportional to 66,372.31, 91,593.07 and 38,082.43 is: 52,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,372.31 : 91,593.07 = 38,082.43 : x
  2. Step 2: Convert to fraction form
    66,372.31/91,593.07 = 38,082.43/x
  3. Step 3: Cross multiply
    66,372.31x = 91,593.07 × 38,082.43
  4. Step 4: Simplify right side
    66,372.31x = 3,488,086,676.76
  5. Step 5: Solve for x
    x = 3,488,086,676.76/66,372.31
  6. Step 6: Final answer
    x = 52,553.34

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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.