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Finding the Fourth Proportional to 29,579.73, 44,358.65 and 8,512.66

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Solution

The fourth proportional to 29,579.73, 44,358.65 and 8,512.66 is: 12,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,579.73 : 44,358.65 = 8,512.66 : x
  2. Step 2: Convert to fraction form
    29,579.73/44,358.65 = 8,512.66/x
  3. Step 3: Cross multiply
    29,579.73x = 44,358.65 × 8,512.66
  4. Step 4: Simplify right side
    29,579.73x = 377,609,991.92
  5. Step 5: Solve for x
    x = 377,609,991.92/29,579.73
  6. Step 6: Final answer
    x = 12,765.84

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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.