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Finding the Fourth Proportional to 29,401.92, 44,109.36 and 12,764.52

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Solution

The fourth proportional to 29,401.92, 44,109.36 and 12,764.52 is: 19,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,401.92 : 44,109.36 = 12,764.52 : x
  2. Step 2: Convert to fraction form
    29,401.92/44,109.36 = 12,764.52/x
  3. Step 3: Cross multiply
    29,401.92x = 44,109.36 × 12,764.52
  4. Step 4: Simplify right side
    29,401.92x = 563,034,807.91
  5. Step 5: Solve for x
    x = 563,034,807.91/29,401.92
  6. Step 6: Final answer
    x = 19,149.59

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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.