Home / 39,257.29-54,174.66-21,352.44

Finding the Fourth Proportional to 39,257.29, 54,174.66 and 21,352.44

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Solution

The fourth proportional to 39,257.29, 54,174.66 and 21,352.44 is: 29,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,257.29 : 54,174.66 = 21,352.44 : x
  2. Step 2: Convert to fraction form
    39,257.29/54,174.66 = 21,352.44/x
  3. Step 3: Cross multiply
    39,257.29x = 54,174.66 × 21,352.44
  4. Step 4: Simplify right side
    39,257.29x = 1,156,761,177.17
  5. Step 5: Solve for x
    x = 1,156,761,177.17/39,257.29
  6. Step 6: Final answer
    x = 29,466.15

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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.