Home / 52,540.20-78,680.70-34,914.60

Finding the Fourth Proportional to 52,540.20, 78,680.70 and 34,914.60

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Solution

The fourth proportional to 52,540.20, 78,680.70 and 34,914.60 is: 52,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,540.20 : 78,680.70 = 34,914.60 : x
  2. Step 2: Convert to fraction form
    52,540.20/78,680.70 = 34,914.60/x
  3. Step 3: Cross multiply
    52,540.20x = 78,680.70 × 34,914.60
  4. Step 4: Simplify right side
    52,540.20x = 2,747,105,168.22
  5. Step 5: Solve for x
    x = 2,747,105,168.22/52,540.20
  6. Step 6: Final answer
    x = 52,285.78

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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.