Home / 38,919.90-58,286.22-22,229.28

Finding the Fourth Proportional to 38,919.90, 58,286.22 and 22,229.28

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Solution

The fourth proportional to 38,919.90, 58,286.22 and 22,229.28 is: 33,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.90 : 58,286.22 = 22,229.28 : x
  2. Step 2: Convert to fraction form
    38,919.90/58,286.22 = 22,229.28/x
  3. Step 3: Cross multiply
    38,919.90x = 58,286.22 × 22,229.28
  4. Step 4: Simplify right side
    38,919.90x = 1,295,660,704.52
  5. Step 5: Solve for x
    x = 1,295,660,704.52/38,919.90
  6. Step 6: Final answer
    x = 33,290.44

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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.