Home / 49,932.10-74,861.70-20,334.70

Finding the Fourth Proportional to 49,932.10, 74,861.70 and 20,334.70

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Solution

The fourth proportional to 49,932.10, 74,861.70 and 20,334.70 is: 30,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,932.10 : 74,861.70 = 20,334.70 : x
  2. Step 2: Convert to fraction form
    49,932.10/74,861.70 = 20,334.70/x
  3. Step 3: Cross multiply
    49,932.10x = 74,861.70 × 20,334.70
  4. Step 4: Simplify right side
    49,932.10x = 1,522,290,210.99
  5. Step 5: Solve for x
    x = 1,522,290,210.99/49,932.10
  6. Step 6: Final answer
    x = 30,487.21

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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.