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Finding the Fourth Proportional to 32.62, 45.06 and 32.39

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Solution

The fourth proportional to 32.62, 45.06 and 32.39 is: 44.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.62 : 45.06 = 32.39 : x
  2. Step 2: Convert to fraction form
    32.62/45.06 = 32.39/x
  3. Step 3: Cross multiply
    32.62x = 45.06 × 32.39
  4. Step 4: Simplify right side
    32.62x = 1,459.56
  5. Step 5: Solve for x
    x = 1,459.56/32.62
  6. Step 6: Final answer
    x = 44.75

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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.