Home / 38,144.61-57,229.34-18,425.43

Finding the Fourth Proportional to 38,144.61, 57,229.34 and 18,425.43

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Solution

The fourth proportional to 38,144.61, 57,229.34 and 18,425.43 is: 27,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144.61 : 57,229.34 = 18,425.43 : x
  2. Step 2: Convert to fraction form
    38,144.61/57,229.34 = 18,425.43/x
  3. Step 3: Cross multiply
    38,144.61x = 57,229.34 × 18,425.43
  4. Step 4: Simplify right side
    38,144.61x = 1,054,475,105.99
  5. Step 5: Solve for x
    x = 1,054,475,105.99/38,144.61
  6. Step 6: Final answer
    x = 27,644.14

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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.