Home / 48,847.20-73,273.72-18,861.60

Finding the Fourth Proportional to 48,847.20, 73,273.72 and 18,861.60

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Solution

The fourth proportional to 48,847.20, 73,273.72 and 18,861.60 is: 28,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,847.20 : 73,273.72 = 18,861.60 : x
  2. Step 2: Convert to fraction form
    48,847.20/73,273.72 = 18,861.60/x
  3. Step 3: Cross multiply
    48,847.20x = 73,273.72 × 18,861.60
  4. Step 4: Simplify right side
    48,847.20x = 1,382,059,597.15
  5. Step 5: Solve for x
    x = 1,382,059,597.15/48,847.20
  6. Step 6: Final answer
    x = 28,293.53

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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.