Home / 49,405.92-68,179.52-28,185.60

Finding the Fourth Proportional to 49,405.92, 68,179.52 and 28,185.60

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Solution

The fourth proportional to 49,405.92, 68,179.52 and 28,185.60 is: 38,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,405.92 : 68,179.52 = 28,185.60 : x
  2. Step 2: Convert to fraction form
    49,405.92/68,179.52 = 28,185.60/x
  3. Step 3: Cross multiply
    49,405.92x = 68,179.52 × 28,185.60
  4. Step 4: Simplify right side
    49,405.92x = 1,921,680,678.91
  5. Step 5: Solve for x
    x = 1,921,680,678.91/49,405.92
  6. Step 6: Final answer
    x = 38,895.76

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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.