Home / 57,760.38-86,651.37-18,306.90

Finding the Fourth Proportional to 57,760.38, 86,651.37 and 18,306.90

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Solution

The fourth proportional to 57,760.38, 86,651.37 and 18,306.90 is: 27,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760.38 : 86,651.37 = 18,306.90 : x
  2. Step 2: Convert to fraction form
    57,760.38/86,651.37 = 18,306.90/x
  3. Step 3: Cross multiply
    57,760.38x = 86,651.37 × 18,306.90
  4. Step 4: Simplify right side
    57,760.38x = 1,586,317,965.45
  5. Step 5: Solve for x
    x = 1,586,317,965.45/57,760.38
  6. Step 6: Final answer
    x = 27,463.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.