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Finding the Fourth Proportional to 29,672.56, 44,530.28 and 11,663.47

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Solution

The fourth proportional to 29,672.56, 44,530.28 and 11,663.47 is: 17,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.56 : 44,530.28 = 11,663.47 : x
  2. Step 2: Convert to fraction form
    29,672.56/44,530.28 = 11,663.47/x
  3. Step 3: Cross multiply
    29,672.56x = 44,530.28 × 11,663.47
  4. Step 4: Simplify right side
    29,672.56x = 519,377,584.87
  5. Step 5: Solve for x
    x = 519,377,584.87/29,672.56
  6. Step 6: Final answer
    x = 17,503.63

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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.