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Finding the Fourth Proportional to 29,661.43, 44,491.62 and 7,474.31

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Solution

The fourth proportional to 29,661.43, 44,491.62 and 7,474.31 is: 11,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,661.43 : 44,491.62 = 7,474.31 : x
  2. Step 2: Convert to fraction form
    29,661.43/44,491.62 = 7,474.31/x
  3. Step 3: Cross multiply
    29,661.43x = 44,491.62 × 7,474.31
  4. Step 4: Simplify right side
    29,661.43x = 332,544,160.28
  5. Step 5: Solve for x
    x = 332,544,160.28/29,661.43
  6. Step 6: Final answer
    x = 11,211.33

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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.