Home / 39,174.54-54,060.82-21,269.99

Finding the Fourth Proportional to 39,174.54, 54,060.82 and 21,269.99

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Solution

The fourth proportional to 39,174.54, 54,060.82 and 21,269.99 is: 29,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.54 : 54,060.82 = 21,269.99 : x
  2. Step 2: Convert to fraction form
    39,174.54/54,060.82 = 21,269.99/x
  3. Step 3: Cross multiply
    39,174.54x = 54,060.82 × 21,269.99
  4. Step 4: Simplify right side
    39,174.54x = 1,149,873,182.77
  5. Step 5: Solve for x
    x = 1,149,873,182.77/39,174.54
  6. Step 6: Final answer
    x = 29,352.57

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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.