Home / 39,174.66-54,060.51-21,269.91

Finding the Fourth Proportional to 39,174.66, 54,060.51 and 21,269.91

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Solution

The fourth proportional to 39,174.66, 54,060.51 and 21,269.91 is: 29,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.66 : 54,060.51 = 21,269.91 : x
  2. Step 2: Convert to fraction form
    39,174.66/54,060.51 = 21,269.91/x
  3. Step 3: Cross multiply
    39,174.66x = 54,060.51 × 21,269.91
  4. Step 4: Simplify right side
    39,174.66x = 1,149,862,182.25
  5. Step 5: Solve for x
    x = 1,149,862,182.25/39,174.66
  6. Step 6: Final answer
    x = 29,352.19

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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.