Home / 49,439.39-68,231.25-28,221.85

Finding the Fourth Proportional to 49,439.39, 68,231.25 and 28,221.85

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Solution

The fourth proportional to 49,439.39, 68,231.25 and 28,221.85 is: 38,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,439.39 : 68,231.25 = 28,221.85 : x
  2. Step 2: Convert to fraction form
    49,439.39/68,231.25 = 28,221.85/x
  3. Step 3: Cross multiply
    49,439.39x = 68,231.25 × 28,221.85
  4. Step 4: Simplify right side
    49,439.39x = 1,925,612,102.81
  5. Step 5: Solve for x
    x = 1,925,612,102.81/49,439.39
  6. Step 6: Final answer
    x = 38,948.95

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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.