Home / 41,286.92-61,946.79-13,211.30

Finding the Fourth Proportional to 41,286.92, 61,946.79 and 13,211.30

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Solution

The fourth proportional to 41,286.92, 61,946.79 and 13,211.30 is: 19,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,286.92 : 61,946.79 = 13,211.30 : x
  2. Step 2: Convert to fraction form
    41,286.92/61,946.79 = 13,211.30/x
  3. Step 3: Cross multiply
    41,286.92x = 61,946.79 × 13,211.30
  4. Step 4: Simplify right side
    41,286.92x = 818,397,626.73
  5. Step 5: Solve for x
    x = 818,397,626.73/41,286.92
  6. Step 6: Final answer
    x = 19,822.20

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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.