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Finding the Fourth Proportional to 29,676.96, 44,489.52 and 11,221.92

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Solution

The fourth proportional to 29,676.96, 44,489.52 and 11,221.92 is: 16,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,676.96 : 44,489.52 = 11,221.92 : x
  2. Step 2: Convert to fraction form
    29,676.96/44,489.52 = 11,221.92/x
  3. Step 3: Cross multiply
    29,676.96x = 44,489.52 × 11,221.92
  4. Step 4: Simplify right side
    29,676.96x = 499,257,834.28
  5. Step 5: Solve for x
    x = 499,257,834.28/29,676.96
  6. Step 6: Final answer
    x = 16,823.08

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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.