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Finding the Fourth Proportional to 48,881.60, 73,149.60 and 33,329.60

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Solution

The fourth proportional to 48,881.60, 73,149.60 and 33,329.60 is: 49,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,881.60 : 73,149.60 = 33,329.60 : x
  2. Step 2: Convert to fraction form
    48,881.60/73,149.60 = 33,329.60/x
  3. Step 3: Cross multiply
    48,881.60x = 73,149.60 × 33,329.60
  4. Step 4: Simplify right side
    48,881.60x = 2,438,046,908.16
  5. Step 5: Solve for x
    x = 2,438,046,908.16/48,881.60
  6. Step 6: Final answer
    x = 49,876.58

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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.