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Finding the Fourth Proportional to 36.24, 54.18 and 32.82

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Solution

The fourth proportional to 36.24, 54.18 and 32.82 is: 49.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.24 : 54.18 = 32.82 : x
  2. Step 2: Convert to fraction form
    36.24/54.18 = 32.82/x
  3. Step 3: Cross multiply
    36.24x = 54.18 × 32.82
  4. Step 4: Simplify right side
    36.24x = 1,778.19
  5. Step 5: Solve for x
    x = 1,778.19/36.24
  6. Step 6: Final answer
    x = 49.07

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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.