Home / 48,761.20-67,286.28-27,538.48

Finding the Fourth Proportional to 48,761.20, 67,286.28 and 27,538.48

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Solution

The fourth proportional to 48,761.20, 67,286.28 and 27,538.48 is: 38,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,761.20 : 67,286.28 = 27,538.48 : x
  2. Step 2: Convert to fraction form
    48,761.20/67,286.28 = 27,538.48/x
  3. Step 3: Cross multiply
    48,761.20x = 67,286.28 × 27,538.48
  4. Step 4: Simplify right side
    48,761.20x = 1,852,961,876.05
  5. Step 5: Solve for x
    x = 1,852,961,876.05/48,761.20
  6. Step 6: Final answer
    x = 38,000.74

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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.