Home / 41,986.62-62,979.81-10,821.66

Finding the Fourth Proportional to 41,986.62, 62,979.81 and 10,821.66

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Solution

The fourth proportional to 41,986.62, 62,979.81 and 10,821.66 is: 16,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.62 : 62,979.81 = 10,821.66 : x
  2. Step 2: Convert to fraction form
    41,986.62/62,979.81 = 10,821.66/x
  3. Step 3: Cross multiply
    41,986.62x = 62,979.81 × 10,821.66
  4. Step 4: Simplify right side
    41,986.62x = 681,546,090.68
  5. Step 5: Solve for x
    x = 681,546,090.68/41,986.62
  6. Step 6: Final answer
    x = 16,232.46

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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.