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Finding the Fourth Proportional to 41,198.70, 61,794.45 and 13,496.70

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Solution

The fourth proportional to 41,198.70, 61,794.45 and 13,496.70 is: 20,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,198.70 : 61,794.45 = 13,496.70 : x
  2. Step 2: Convert to fraction form
    41,198.70/61,794.45 = 13,496.70/x
  3. Step 3: Cross multiply
    41,198.70x = 61,794.45 × 13,496.70
  4. Step 4: Simplify right side
    41,198.70x = 834,021,153.32
  5. Step 5: Solve for x
    x = 834,021,153.32/41,198.70
  6. Step 6: Final answer
    x = 20,243.87

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1.5x scale

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.