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Finding the Fourth Proportional to 44,339.55, 66,509.91 and 14,757.39

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Solution

The fourth proportional to 44,339.55, 66,509.91 and 14,757.39 is: 22,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,339.55 : 66,509.91 = 14,757.39 : x
  2. Step 2: Convert to fraction form
    44,339.55/66,509.91 = 14,757.39/x
  3. Step 3: Cross multiply
    44,339.55x = 66,509.91 × 14,757.39
  4. Step 4: Simplify right side
    44,339.55x = 981,512,680.73
  5. Step 5: Solve for x
    x = 981,512,680.73/44,339.55
  6. Step 6: Final answer
    x = 22,136.28

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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.