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Finding the Fourth Proportional to 49.93, 68.91 and 41.32

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Solution

The fourth proportional to 49.93, 68.91 and 41.32 is: 57.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.93 : 68.91 = 41.32 : x
  2. Step 2: Convert to fraction form
    49.93/68.91 = 41.32/x
  3. Step 3: Cross multiply
    49.93x = 68.91 × 41.32
  4. Step 4: Simplify right side
    49.93x = 2,847.36
  5. Step 5: Solve for x
    x = 2,847.36/49.93
  6. Step 6: Final answer
    x = 57.03

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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.