Home / 48,659.60-67,144.24-28,511.87

Finding the Fourth Proportional to 48,659.60, 67,144.24 and 28,511.87

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Solution

The fourth proportional to 48,659.60, 67,144.24 and 28,511.87 is: 39,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,659.60 : 67,144.24 = 28,511.87 : x
  2. Step 2: Convert to fraction form
    48,659.60/67,144.24 = 28,511.87/x
  3. Step 3: Cross multiply
    48,659.60x = 67,144.24 × 28,511.87
  4. Step 4: Simplify right side
    48,659.60x = 1,914,407,542.05
  5. Step 5: Solve for x
    x = 1,914,407,542.05/48,659.60
  6. Step 6: Final answer
    x = 39,342.85

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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.