Home / 54,850.37-82,275.48-19,789.97

Finding the Fourth Proportional to 54,850.37, 82,275.48 and 19,789.97

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Solution

The fourth proportional to 54,850.37, 82,275.48 and 19,789.97 is: 29,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,850.37 : 82,275.48 = 19,789.97 : x
  2. Step 2: Convert to fraction form
    54,850.37/82,275.48 = 19,789.97/x
  3. Step 3: Cross multiply
    54,850.37x = 82,275.48 × 19,789.97
  4. Step 4: Simplify right side
    54,850.37x = 1,628,228,869.56
  5. Step 5: Solve for x
    x = 1,628,228,869.56/54,850.37
  6. Step 6: Final answer
    x = 29,684.92

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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.