Home / 68,452.20-94,464.36-38,238.78

Finding the Fourth Proportional to 68,452.20, 94,464.36 and 38,238.78

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Solution

The fourth proportional to 68,452.20, 94,464.36 and 38,238.78 is: 52,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,452.20 : 94,464.36 = 38,238.78 : x
  2. Step 2: Convert to fraction form
    68,452.20/94,464.36 = 38,238.78/x
  3. Step 3: Cross multiply
    68,452.20x = 94,464.36 × 38,238.78
  4. Step 4: Simplify right side
    68,452.20x = 3,612,201,879.88
  5. Step 5: Solve for x
    x = 3,612,201,879.88/68,452.20
  6. Step 6: Final answer
    x = 52,769.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.