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Finding the Fourth Proportional to 41.33, 61.92 and 26.12

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Solution

The fourth proportional to 41.33, 61.92 and 26.12 is: 39.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.33 : 61.92 = 26.12 : x
  2. Step 2: Convert to fraction form
    41.33/61.92 = 26.12/x
  3. Step 3: Cross multiply
    41.33x = 61.92 × 26.12
  4. Step 4: Simplify right side
    41.33x = 1,617.51
  5. Step 5: Solve for x
    x = 1,617.51/41.33
  6. Step 6: Final answer
    x = 39.13

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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.