Home / 54,281.75-81,450.39-25,850.85

Finding the Fourth Proportional to 54,281.75, 81,450.39 and 25,850.85

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Solution

The fourth proportional to 54,281.75, 81,450.39 and 25,850.85 is: 38,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.75 : 81,450.39 = 25,850.85 : x
  2. Step 2: Convert to fraction form
    54,281.75/81,450.39 = 25,850.85/x
  3. Step 3: Cross multiply
    54,281.75x = 81,450.39 × 25,850.85
  4. Step 4: Simplify right side
    54,281.75x = 2,105,561,814.33
  5. Step 5: Solve for x
    x = 2,105,561,814.33/54,281.75
  6. Step 6: Final answer
    x = 38,789.50

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1.5x scale

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.