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Finding the Fourth Proportional to 44.67, 61.56 and 31.71

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Solution

The fourth proportional to 44.67, 61.56 and 31.71 is: 43.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.67 : 61.56 = 31.71 : x
  2. Step 2: Convert to fraction form
    44.67/61.56 = 31.71/x
  3. Step 3: Cross multiply
    44.67x = 61.56 × 31.71
  4. Step 4: Simplify right side
    44.67x = 1,952.07
  5. Step 5: Solve for x
    x = 1,952.07/44.67
  6. Step 6: Final answer
    x = 43.70

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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.