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Finding the Fourth Proportional to 36.53, 50.40 and 32.42

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Solution

The fourth proportional to 36.53, 50.40 and 32.42 is: 44.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.53 : 50.40 = 32.42 : x
  2. Step 2: Convert to fraction form
    36.53/50.40 = 32.42/x
  3. Step 3: Cross multiply
    36.53x = 50.40 × 32.42
  4. Step 4: Simplify right side
    36.53x = 1,633.97
  5. Step 5: Solve for x
    x = 1,633.97/36.53
  6. Step 6: Final answer
    x = 44.73

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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.