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Finding the Fourth Proportional to 29,436, 44,143.20 and 9,708.72

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Solution

The fourth proportional to 29,436, 44,143.20 and 9,708.72 is: 14,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436 : 44,143.20 = 9,708.72 : x
  2. Step 2: Convert to fraction form
    29,436/44,143.20 = 9,708.72/x
  3. Step 3: Cross multiply
    29,436x = 44,143.20 × 9,708.72
  4. Step 4: Simplify right side
    29,436x = 428,573,968.70
  5. Step 5: Solve for x
    x = 428,573,968.70/29,436
  6. Step 6: Final answer
    x = 14,559.52

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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.