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Finding the Fourth Proportional to 29,362.49, 44,042.16 and 10,385.81

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Solution

The fourth proportional to 29,362.49, 44,042.16 and 10,385.81 is: 15,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,362.49 : 44,042.16 = 10,385.81 : x
  2. Step 2: Convert to fraction form
    29,362.49/44,042.16 = 10,385.81/x
  3. Step 3: Cross multiply
    29,362.49x = 44,042.16 × 10,385.81
  4. Step 4: Simplify right side
    29,362.49x = 457,413,505.75
  5. Step 5: Solve for x
    x = 457,413,505.75/29,362.49
  6. Step 6: Final answer
    x = 15,578.16

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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.