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Finding the Fourth Proportional to 48,691.72, 73,211.46 and 44,842.60

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Solution

The fourth proportional to 48,691.72, 73,211.46 and 44,842.60 is: 67,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,691.72 : 73,211.46 = 44,842.60 : x
  2. Step 2: Convert to fraction form
    48,691.72/73,211.46 = 44,842.60/x
  3. Step 3: Cross multiply
    48,691.72x = 73,211.46 × 44,842.60
  4. Step 4: Simplify right side
    48,691.72x = 3,282,992,216.20
  5. Step 5: Solve for x
    x = 3,282,992,216.20/48,691.72
  6. Step 6: Final answer
    x = 67,424.03

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1.5x scale

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.