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Finding the Fourth Proportional to 29,411.62, 44,092.62 and 12,759.12

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Solution

The fourth proportional to 29,411.62, 44,092.62 and 12,759.12 is: 19,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,411.62 : 44,092.62 = 12,759.12 : x
  2. Step 2: Convert to fraction form
    29,411.62/44,092.62 = 12,759.12/x
  3. Step 3: Cross multiply
    29,411.62x = 44,092.62 × 12,759.12
  4. Step 4: Simplify right side
    29,411.62x = 562,583,029.69
  5. Step 5: Solve for x
    x = 562,583,029.69/29,411.62
  6. Step 6: Final answer
    x = 19,127.92

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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.