Home / 49,046.70-73,570.72-13,986.36

Finding the Fourth Proportional to 49,046.70, 73,570.72 and 13,986.36

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Solution

The fourth proportional to 49,046.70, 73,570.72 and 13,986.36 is: 20,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,046.70 : 73,570.72 = 13,986.36 : x
  2. Step 2: Convert to fraction form
    49,046.70/73,570.72 = 13,986.36/x
  3. Step 3: Cross multiply
    49,046.70x = 73,570.72 × 13,986.36
  4. Step 4: Simplify right side
    49,046.70x = 1,028,986,575.38
  5. Step 5: Solve for x
    x = 1,028,986,575.38/49,046.70
  6. Step 6: Final answer
    x = 20,979.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.