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Finding the Fourth Proportional to 32.92, 49.36 and 30.52

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Solution

The fourth proportional to 32.92, 49.36 and 30.52 is: 45.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.92 : 49.36 = 30.52 : x
  2. Step 2: Convert to fraction form
    32.92/49.36 = 30.52/x
  3. Step 3: Cross multiply
    32.92x = 49.36 × 30.52
  4. Step 4: Simplify right side
    32.92x = 1,506.47
  5. Step 5: Solve for x
    x = 1,506.47/32.92
  6. Step 6: Final answer
    x = 45.76

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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.