Home / 41,986.74-62,974.68-12,407.70

Finding the Fourth Proportional to 41,986.74, 62,974.68 and 12,407.70

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Solution

The fourth proportional to 41,986.74, 62,974.68 and 12,407.70 is: 18,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.74 : 62,974.68 = 12,407.70 : x
  2. Step 2: Convert to fraction form
    41,986.74/62,974.68 = 12,407.70/x
  3. Step 3: Cross multiply
    41,986.74x = 62,974.68 × 12,407.70
  4. Step 4: Simplify right side
    41,986.74x = 781,370,937.04
  5. Step 5: Solve for x
    x = 781,370,937.04/41,986.74
  6. Step 6: Final answer
    x = 18,609.95

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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.