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Finding the Fourth Proportional to 29,951, 44,913.39 and 11,217.90

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Solution

The fourth proportional to 29,951, 44,913.39 and 11,217.90 is: 16,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,951 : 44,913.39 = 11,217.90 : x
  2. Step 2: Convert to fraction form
    29,951/44,913.39 = 11,217.90/x
  3. Step 3: Cross multiply
    29,951x = 44,913.39 × 11,217.90
  4. Step 4: Simplify right side
    29,951x = 503,833,917.68
  5. Step 5: Solve for x
    x = 503,833,917.68/29,951
  6. Step 6: Final answer
    x = 16,821.94

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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.