Home / 41,743.92-62,581.32-20,990.64

Finding the Fourth Proportional to 41,743.92, 62,581.32 and 20,990.64

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Solution

The fourth proportional to 41,743.92, 62,581.32 and 20,990.64 is: 31,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,743.92 : 62,581.32 = 20,990.64 : x
  2. Step 2: Convert to fraction form
    41,743.92/62,581.32 = 20,990.64/x
  3. Step 3: Cross multiply
    41,743.92x = 62,581.32 × 20,990.64
  4. Step 4: Simplify right side
    41,743.92x = 1,313,621,958.84
  5. Step 5: Solve for x
    x = 1,313,621,958.84/41,743.92
  6. Step 6: Final answer
    x = 31,468.58

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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.