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Finding the Fourth Proportional to 59.41, 81.93 and 40.96

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Solution

The fourth proportional to 59.41, 81.93 and 40.96 is: 56.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.41 : 81.93 = 40.96 : x
  2. Step 2: Convert to fraction form
    59.41/81.93 = 40.96/x
  3. Step 3: Cross multiply
    59.41x = 81.93 × 40.96
  4. Step 4: Simplify right side
    59.41x = 3,355.85
  5. Step 5: Solve for x
    x = 3,355.85/59.41
  6. Step 6: Final answer
    x = 56.49

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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.