Home / 41,982.78-62,983.44-13,911.60

Finding the Fourth Proportional to 41,982.78, 62,983.44 and 13,911.60

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Solution

The fourth proportional to 41,982.78, 62,983.44 and 13,911.60 is: 20,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,982.78 : 62,983.44 = 13,911.60 : x
  2. Step 2: Convert to fraction form
    41,982.78/62,983.44 = 13,911.60/x
  3. Step 3: Cross multiply
    41,982.78x = 62,983.44 × 13,911.60
  4. Step 4: Simplify right side
    41,982.78x = 876,200,423.90
  5. Step 5: Solve for x
    x = 876,200,423.90/41,982.78
  6. Step 6: Final answer
    x = 20,870.47

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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.