Home / 68,472.28-94,496.20-38,257.78

Finding the Fourth Proportional to 68,472.28, 94,496.20 and 38,257.78

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Solution

The fourth proportional to 68,472.28, 94,496.20 and 38,257.78 is: 52,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,472.28 : 94,496.20 = 38,257.78 : x
  2. Step 2: Convert to fraction form
    68,472.28/94,496.20 = 38,257.78/x
  3. Step 3: Cross multiply
    68,472.28x = 94,496.20 × 38,257.78
  4. Step 4: Simplify right side
    68,472.28x = 3,615,214,830.44
  5. Step 5: Solve for x
    x = 3,615,214,830.44/68,472.28
  6. Step 6: Final answer
    x = 52,798.22

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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.