Home / 49,728.38-68,576.54-31,816.85

Finding the Fourth Proportional to 49,728.38, 68,576.54 and 31,816.85

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Solution

The fourth proportional to 49,728.38, 68,576.54 and 31,816.85 is: 43,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.38 : 68,576.54 = 31,816.85 : x
  2. Step 2: Convert to fraction form
    49,728.38/68,576.54 = 31,816.85/x
  3. Step 3: Cross multiply
    49,728.38x = 68,576.54 × 31,816.85
  4. Step 4: Simplify right side
    49,728.38x = 2,181,888,984.73
  5. Step 5: Solve for x
    x = 2,181,888,984.73/49,728.38
  6. Step 6: Final answer
    x = 43,876.14

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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.