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Finding the Fourth Proportional to 29,193.62, 43,790.42 and 8,132.81

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Solution

The fourth proportional to 29,193.62, 43,790.42 and 8,132.81 is: 12,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,193.62 : 43,790.42 = 8,132.81 : x
  2. Step 2: Convert to fraction form
    29,193.62/43,790.42 = 8,132.81/x
  3. Step 3: Cross multiply
    29,193.62x = 43,790.42 × 8,132.81
  4. Step 4: Simplify right side
    29,193.62x = 356,138,967.06
  5. Step 5: Solve for x
    x = 356,138,967.06/29,193.62
  6. Step 6: Final answer
    x = 12,199.21

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Similar ratio
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1.5x scale

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.