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Finding the Fourth Proportional to 59.43, 81.91 and 37.56

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Solution

The fourth proportional to 59.43, 81.91 and 37.56 is: 51.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.43 : 81.91 = 37.56 : x
  2. Step 2: Convert to fraction form
    59.43/81.91 = 37.56/x
  3. Step 3: Cross multiply
    59.43x = 81.91 × 37.56
  4. Step 4: Simplify right side
    59.43x = 3,076.89
  5. Step 5: Solve for x
    x = 3,076.89/59.43
  6. Step 6: Final answer
    x = 51.77

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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.