Home / 49,213.70-73,909.46-45,257.66

Finding the Fourth Proportional to 49,213.70, 73,909.46 and 45,257.66

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Solution

The fourth proportional to 49,213.70, 73,909.46 and 45,257.66 is: 67,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,213.70 : 73,909.46 = 45,257.66 : x
  2. Step 2: Convert to fraction form
    49,213.70/73,909.46 = 45,257.66/x
  3. Step 3: Cross multiply
    49,213.70x = 73,909.46 × 45,257.66
  4. Step 4: Simplify right side
    49,213.70x = 3,344,969,211.46
  5. Step 5: Solve for x
    x = 3,344,969,211.46/49,213.70
  6. Step 6: Final answer
    x = 67,968.25

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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.