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Finding the Fourth Proportional to 39.93, 59.97 and 35.37

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Solution

The fourth proportional to 39.93, 59.97 and 35.37 is: 53.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.93 : 59.97 = 35.37 : x
  2. Step 2: Convert to fraction form
    39.93/59.97 = 35.37/x
  3. Step 3: Cross multiply
    39.93x = 59.97 × 35.37
  4. Step 4: Simplify right side
    39.93x = 2,121.14
  5. Step 5: Solve for x
    x = 2,121.14/39.93
  6. Step 6: Final answer
    x = 53.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.