Home / 48,703.14-67,201.56-28,286.15

Finding the Fourth Proportional to 48,703.14, 67,201.56 and 28,286.15

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Solution

The fourth proportional to 48,703.14, 67,201.56 and 28,286.15 is: 39,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,703.14 : 67,201.56 = 28,286.15 : x
  2. Step 2: Convert to fraction form
    48,703.14/67,201.56 = 28,286.15/x
  3. Step 3: Cross multiply
    48,703.14x = 67,201.56 × 28,286.15
  4. Step 4: Simplify right side
    48,703.14x = 1,900,873,070.39
  5. Step 5: Solve for x
    x = 1,900,873,070.39/48,703.14
  6. Step 6: Final answer
    x = 39,029.78

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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.