Home / 49,375.62-68,139.55-28,155.24

Finding the Fourth Proportional to 49,375.62, 68,139.55 and 28,155.24

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Solution

The fourth proportional to 49,375.62, 68,139.55 and 28,155.24 is: 38,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,375.62 : 68,139.55 = 28,155.24 : x
  2. Step 2: Convert to fraction form
    49,375.62/68,139.55 = 28,155.24/x
  3. Step 3: Cross multiply
    49,375.62x = 68,139.55 × 28,155.24
  4. Step 4: Simplify right side
    49,375.62x = 1,918,485,383.74
  5. Step 5: Solve for x
    x = 1,918,485,383.74/49,375.62
  6. Step 6: Final answer
    x = 38,854.91

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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.