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Finding the Fourth Proportional to 29,319.52, 43,989.02 and 19,497.48

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Solution

The fourth proportional to 29,319.52, 43,989.02 and 19,497.48 is: 29,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.52 : 43,989.02 = 19,497.48 : x
  2. Step 2: Convert to fraction form
    29,319.52/43,989.02 = 19,497.48/x
  3. Step 3: Cross multiply
    29,319.52x = 43,989.02 × 19,497.48
  4. Step 4: Simplify right side
    29,319.52x = 857,675,037.67
  5. Step 5: Solve for x
    x = 857,675,037.67/29,319.52
  6. Step 6: Final answer
    x = 29,252.70

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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.