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Finding the Fourth Proportional to 44.58, 61.55 and 36.42

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Solution

The fourth proportional to 44.58, 61.55 and 36.42 is: 50.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.58 : 61.55 = 36.42 : x
  2. Step 2: Convert to fraction form
    44.58/61.55 = 36.42/x
  3. Step 3: Cross multiply
    44.58x = 61.55 × 36.42
  4. Step 4: Simplify right side
    44.58x = 2,241.47
  5. Step 5: Solve for x
    x = 2,241.47/44.58
  6. Step 6: Final answer
    x = 50.28

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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.