Home / 48,608.76-67,080.12-28,194.72

Finding the Fourth Proportional to 48,608.76, 67,080.12 and 28,194.72

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Solution

The fourth proportional to 48,608.76, 67,080.12 and 28,194.72 is: 38,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,608.76 : 67,080.12 = 28,194.72 : x
  2. Step 2: Convert to fraction form
    48,608.76/67,080.12 = 28,194.72/x
  3. Step 3: Cross multiply
    48,608.76x = 67,080.12 × 28,194.72
  4. Step 4: Simplify right side
    48,608.76x = 1,891,305,200.97
  5. Step 5: Solve for x
    x = 1,891,305,200.97/48,608.76
  6. Step 6: Final answer
    x = 38,908.73

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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.