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Finding the Fourth Proportional to 29,912.20, 44,868.30 and 17,446.30

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Solution

The fourth proportional to 29,912.20, 44,868.30 and 17,446.30 is: 26,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,912.20 : 44,868.30 = 17,446.30 : x
  2. Step 2: Convert to fraction form
    29,912.20/44,868.30 = 17,446.30/x
  3. Step 3: Cross multiply
    29,912.20x = 44,868.30 × 17,446.30
  4. Step 4: Simplify right side
    29,912.20x = 782,785,822.29
  5. Step 5: Solve for x
    x = 782,785,822.29/29,912.20
  6. Step 6: Final answer
    x = 26,169.45

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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.