Home / 38,174.76-57,265.79-11,872.44

Finding the Fourth Proportional to 38,174.76, 57,265.79 and 11,872.44

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Solution

The fourth proportional to 38,174.76, 57,265.79 and 11,872.44 is: 17,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.76 : 57,265.79 = 11,872.44 : x
  2. Step 2: Convert to fraction form
    38,174.76/57,265.79 = 11,872.44/x
  3. Step 3: Cross multiply
    38,174.76x = 57,265.79 × 11,872.44
  4. Step 4: Simplify right side
    38,174.76x = 679,884,596.47
  5. Step 5: Solve for x
    x = 679,884,596.47/38,174.76
  6. Step 6: Final answer
    x = 17,809.79

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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.