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Finding the Fourth Proportional to 48.55, 66.97 and 41.73

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Solution

The fourth proportional to 48.55, 66.97 and 41.73 is: 57.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.55 : 66.97 = 41.73 : x
  2. Step 2: Convert to fraction form
    48.55/66.97 = 41.73/x
  3. Step 3: Cross multiply
    48.55x = 66.97 × 41.73
  4. Step 4: Simplify right side
    48.55x = 2,794.47
  5. Step 5: Solve for x
    x = 2,794.47/48.55
  6. Step 6: Final answer
    x = 57.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.