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Finding the Fourth Proportional to 48,472.60, 72,708.96 and 41,878.84

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Solution

The fourth proportional to 48,472.60, 72,708.96 and 41,878.84 is: 62,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,472.60 : 72,708.96 = 41,878.84 : x
  2. Step 2: Convert to fraction form
    48,472.60/72,708.96 = 41,878.84/x
  3. Step 3: Cross multiply
    48,472.60x = 72,708.96 × 41,878.84
  4. Step 4: Simplify right side
    48,472.60x = 3,044,966,902.41
  5. Step 5: Solve for x
    x = 3,044,966,902.41/48,472.60
  6. Step 6: Final answer
    x = 62,818.31

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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.