Home / 49,234.40-73,765.20-40,421.60

Finding the Fourth Proportional to 49,234.40, 73,765.20 and 40,421.60

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Solution

The fourth proportional to 49,234.40, 73,765.20 and 40,421.60 is: 60,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,234.40 : 73,765.20 = 40,421.60 : x
  2. Step 2: Convert to fraction form
    49,234.40/73,765.20 = 40,421.60/x
  3. Step 3: Cross multiply
    49,234.40x = 73,765.20 × 40,421.60
  4. Step 4: Simplify right side
    49,234.40x = 2,981,707,408.32
  5. Step 5: Solve for x
    x = 2,981,707,408.32/49,234.40
  6. Step 6: Final answer
    x = 60,561.47

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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.