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Finding the Fourth Proportional to 37.26, 55.62 and 32.76

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Solution

The fourth proportional to 37.26, 55.62 and 32.76 is: 48.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.26 : 55.62 = 32.76 : x
  2. Step 2: Convert to fraction form
    37.26/55.62 = 32.76/x
  3. Step 3: Cross multiply
    37.26x = 55.62 × 32.76
  4. Step 4: Simplify right side
    37.26x = 1,822.11
  5. Step 5: Solve for x
    x = 1,822.11/37.26
  6. Step 6: Final answer
    x = 48.90

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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.