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Finding the Fourth Proportional to 48,448.39, 72,520.29 and 33,367

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Solution

The fourth proportional to 48,448.39, 72,520.29 and 33,367 is: 49,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,448.39 : 72,520.29 = 33,367 : x
  2. Step 2: Convert to fraction form
    48,448.39/72,520.29 = 33,367/x
  3. Step 3: Cross multiply
    48,448.39x = 72,520.29 × 33,367
  4. Step 4: Simplify right side
    48,448.39x = 2,419,784,516.43
  5. Step 5: Solve for x
    x = 2,419,784,516.43/48,448.39
  6. Step 6: Final answer
    x = 49,945.61

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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.