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Finding the Fourth Proportional to 34.32, 51.27 and 32.04

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Solution

The fourth proportional to 34.32, 51.27 and 32.04 is: 47.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.32 : 51.27 = 32.04 : x
  2. Step 2: Convert to fraction form
    34.32/51.27 = 32.04/x
  3. Step 3: Cross multiply
    34.32x = 51.27 × 32.04
  4. Step 4: Simplify right side
    34.32x = 1,642.69
  5. Step 5: Solve for x
    x = 1,642.69/34.32
  6. Step 6: Final answer
    x = 47.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.