Home / 49,874.46-74,839.23-20,313.11

Finding the Fourth Proportional to 49,874.46, 74,839.23 and 20,313.11

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Solution

The fourth proportional to 49,874.46, 74,839.23 and 20,313.11 is: 30,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,874.46 : 74,839.23 = 20,313.11 : x
  2. Step 2: Convert to fraction form
    49,874.46/74,839.23 = 20,313.11/x
  3. Step 3: Cross multiply
    49,874.46x = 74,839.23 × 20,313.11
  4. Step 4: Simplify right side
    49,874.46x = 1,520,217,137.11
  5. Step 5: Solve for x
    x = 1,520,217,137.11/49,874.46
  6. Step 6: Final answer
    x = 30,480.87

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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.