Home / 52,157.73-78,251.19-17,121.99

Finding the Fourth Proportional to 52,157.73, 78,251.19 and 17,121.99

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Solution

The fourth proportional to 52,157.73, 78,251.19 and 17,121.99 is: 25,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.73 : 78,251.19 = 17,121.99 : x
  2. Step 2: Convert to fraction form
    52,157.73/78,251.19 = 17,121.99/x
  3. Step 3: Cross multiply
    52,157.73x = 78,251.19 × 17,121.99
  4. Step 4: Simplify right side
    52,157.73x = 1,339,816,092.67
  5. Step 5: Solve for x
    x = 1,339,816,092.67/52,157.73
  6. Step 6: Final answer
    x = 25,687.78

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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.