Home / 29,414.88-44,129.61-8,638.38

Finding the Fourth Proportional to 29,414.88, 44,129.61 and 8,638.38

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Solution

The fourth proportional to 29,414.88, 44,129.61 and 8,638.38 is: 12,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,414.88 : 44,129.61 = 8,638.38 : x
  2. Step 2: Convert to fraction form
    29,414.88/44,129.61 = 8,638.38/x
  3. Step 3: Cross multiply
    29,414.88x = 44,129.61 × 8,638.38
  4. Step 4: Simplify right side
    29,414.88x = 381,208,340.43
  5. Step 5: Solve for x
    x = 381,208,340.43/29,414.88
  6. Step 6: Final answer
    x = 12,959.71

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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.