Home / 45,250.20-67,940.10-35,400.60

Finding the Fourth Proportional to 45,250.20, 67,940.10 and 35,400.60

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Solution

The fourth proportional to 45,250.20, 67,940.10 and 35,400.60 is: 53,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.20 : 67,940.10 = 35,400.60 : x
  2. Step 2: Convert to fraction form
    45,250.20/67,940.10 = 35,400.60/x
  3. Step 3: Cross multiply
    45,250.20x = 67,940.10 × 35,400.60
  4. Step 4: Simplify right side
    45,250.20x = 2,405,120,304.06
  5. Step 5: Solve for x
    x = 2,405,120,304.06/45,250.20
  6. Step 6: Final answer
    x = 53,151.59

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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.