Home / 48,691.32-67,189.14-28,270.26

Finding the Fourth Proportional to 48,691.32, 67,189.14 and 28,270.26

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Solution

The fourth proportional to 48,691.32, 67,189.14 and 28,270.26 is: 39,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,691.32 : 67,189.14 = 28,270.26 : x
  2. Step 2: Convert to fraction form
    48,691.32/67,189.14 = 28,270.26/x
  3. Step 3: Cross multiply
    48,691.32x = 67,189.14 × 28,270.26
  4. Step 4: Simplify right side
    48,691.32x = 1,899,454,456.98
  5. Step 5: Solve for x
    x = 1,899,454,456.98/48,691.32
  6. Step 6: Final answer
    x = 39,010.12

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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.