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Finding the Fourth Proportional to 29,489.85, 44,253 and 11,959.83

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Solution

The fourth proportional to 29,489.85, 44,253 and 11,959.83 is: 17,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.85 : 44,253 = 11,959.83 : x
  2. Step 2: Convert to fraction form
    29,489.85/44,253 = 11,959.83/x
  3. Step 3: Cross multiply
    29,489.85x = 44,253 × 11,959.83
  4. Step 4: Simplify right side
    29,489.85x = 529,258,356.99
  5. Step 5: Solve for x
    x = 529,258,356.99/29,489.85
  6. Step 6: Final answer
    x = 17,947.14

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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.