Home / 29,139.92-43,750.77-14,918.55

Finding the Fourth Proportional to 29,139.92, 43,750.77 and 14,918.55

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Solution

The fourth proportional to 29,139.92, 43,750.77 and 14,918.55 is: 22,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.92 : 43,750.77 = 14,918.55 : x
  2. Step 2: Convert to fraction form
    29,139.92/43,750.77 = 14,918.55/x
  3. Step 3: Cross multiply
    29,139.92x = 43,750.77 × 14,918.55
  4. Step 4: Simplify right side
    29,139.92x = 652,698,049.78
  5. Step 5: Solve for x
    x = 652,698,049.78/29,139.92
  6. Step 6: Final answer
    x = 22,398.76

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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.