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Finding the Fourth Proportional to 44.95, 61.94 and 39.77

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Solution

The fourth proportional to 44.95, 61.94 and 39.77 is: 54.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.95 : 61.94 = 39.77 : x
  2. Step 2: Convert to fraction form
    44.95/61.94 = 39.77/x
  3. Step 3: Cross multiply
    44.95x = 61.94 × 39.77
  4. Step 4: Simplify right side
    44.95x = 2,463.15
  5. Step 5: Solve for x
    x = 2,463.15/44.95
  6. Step 6: Final answer
    x = 54.80

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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.