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Finding the Fourth Proportional to 37.44, 51.62 and 30.53

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Solution

The fourth proportional to 37.44, 51.62 and 30.53 is: 42.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.44 : 51.62 = 30.53 : x
  2. Step 2: Convert to fraction form
    37.44/51.62 = 30.53/x
  3. Step 3: Cross multiply
    37.44x = 51.62 × 30.53
  4. Step 4: Simplify right side
    37.44x = 1,575.70
  5. Step 5: Solve for x
    x = 1,575.70/37.44
  6. Step 6: Final answer
    x = 42.09

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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.