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Finding the Fourth Proportional to 41.32, 61.72 and 32.77

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Solution

The fourth proportional to 41.32, 61.72 and 32.77 is: 48.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.32 : 61.72 = 32.77 : x
  2. Step 2: Convert to fraction form
    41.32/61.72 = 32.77/x
  3. Step 3: Cross multiply
    41.32x = 61.72 × 32.77
  4. Step 4: Simplify right side
    41.32x = 2,022.40
  5. Step 5: Solve for x
    x = 2,022.40/41.32
  6. Step 6: Final answer
    x = 48.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.