Home / 41,986.40-62,960.70-12,394.04

Finding the Fourth Proportional to 41,986.40, 62,960.70 and 12,394.04

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Solution

The fourth proportional to 41,986.40, 62,960.70 and 12,394.04 is: 18,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.40 : 62,960.70 = 12,394.04 : x
  2. Step 2: Convert to fraction form
    41,986.40/62,960.70 = 12,394.04/x
  3. Step 3: Cross multiply
    41,986.40x = 62,960.70 × 12,394.04
  4. Step 4: Simplify right side
    41,986.40x = 780,337,434.23
  5. Step 5: Solve for x
    x = 780,337,434.23/41,986.40
  6. Step 6: Final answer
    x = 18,585.48

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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.