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Finding the Fourth Proportional to 50.26, 75.39 and 32.17

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Solution

The fourth proportional to 50.26, 75.39 and 32.17 is: 48.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.26 : 75.39 = 32.17 : x
  2. Step 2: Convert to fraction form
    50.26/75.39 = 32.17/x
  3. Step 3: Cross multiply
    50.26x = 75.39 × 32.17
  4. Step 4: Simplify right side
    50.26x = 2,425.30
  5. Step 5: Solve for x
    x = 2,425.30/50.26
  6. Step 6: Final answer
    x = 48.26

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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.