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Finding the Fourth Proportional to 43.93, 60.91 and 42.04

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Solution

The fourth proportional to 43.93, 60.91 and 42.04 is: 58.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.93 : 60.91 = 42.04 : x
  2. Step 2: Convert to fraction form
    43.93/60.91 = 42.04/x
  3. Step 3: Cross multiply
    43.93x = 60.91 × 42.04
  4. Step 4: Simplify right side
    43.93x = 2,560.66
  5. Step 5: Solve for x
    x = 2,560.66/43.93
  6. Step 6: Final answer
    x = 58.29

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.