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Finding the Fourth Proportional to 29,598.60, 44,382.78 and 8,819.40

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Solution

The fourth proportional to 29,598.60, 44,382.78 and 8,819.40 is: 13,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,598.60 : 44,382.78 = 8,819.40 : x
  2. Step 2: Convert to fraction form
    29,598.60/44,382.78 = 8,819.40/x
  3. Step 3: Cross multiply
    29,598.60x = 44,382.78 × 8,819.40
  4. Step 4: Simplify right side
    29,598.60x = 391,429,489.93
  5. Step 5: Solve for x
    x = 391,429,489.93/29,598.60
  6. Step 6: Final answer
    x = 13,224.59

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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.