Home / 38,139.03-57,217.82-11,844

Finding the Fourth Proportional to 38,139.03, 57,217.82 and 11,844

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Solution

The fourth proportional to 38,139.03, 57,217.82 and 11,844 is: 17,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139.03 : 57,217.82 = 11,844 : x
  2. Step 2: Convert to fraction form
    38,139.03/57,217.82 = 11,844/x
  3. Step 3: Cross multiply
    38,139.03x = 57,217.82 × 11,844
  4. Step 4: Simplify right side
    38,139.03x = 677,687,800.86
  5. Step 5: Solve for x
    x = 677,687,800.86/38,139.03
  6. Step 6: Final answer
    x = 17,768.88

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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.