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Finding the Fourth Proportional to 29,885.40, 44,817.64 and 8,819.85

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Solution

The fourth proportional to 29,885.40, 44,817.64 and 8,819.85 is: 13,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,885.40 : 44,817.64 = 8,819.85 : x
  2. Step 2: Convert to fraction form
    29,885.40/44,817.64 = 8,819.85/x
  3. Step 3: Cross multiply
    29,885.40x = 44,817.64 × 8,819.85
  4. Step 4: Simplify right side
    29,885.40x = 395,284,862.15
  5. Step 5: Solve for x
    x = 395,284,862.15/29,885.40
  6. Step 6: Final answer
    x = 13,226.69

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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.