Home / 51,928.45-77,896.42-18,648.79

Finding the Fourth Proportional to 51,928.45, 77,896.42 and 18,648.79

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Solution

The fourth proportional to 51,928.45, 77,896.42 and 18,648.79 is: 27,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.45 : 77,896.42 = 18,648.79 : x
  2. Step 2: Convert to fraction form
    51,928.45/77,896.42 = 18,648.79/x
  3. Step 3: Cross multiply
    51,928.45x = 77,896.42 × 18,648.79
  4. Step 4: Simplify right side
    51,928.45x = 1,452,673,736.97
  5. Step 5: Solve for x
    x = 1,452,673,736.97/51,928.45
  6. Step 6: Final answer
    x = 27,974.53

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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.