Home / 33,151.97-45,745.67-19,723.79

Finding the Fourth Proportional to 33,151.97, 45,745.67 and 19,723.79

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Solution

The fourth proportional to 33,151.97, 45,745.67 and 19,723.79 is: 27,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,151.97 : 45,745.67 = 19,723.79 : x
  2. Step 2: Convert to fraction form
    33,151.97/45,745.67 = 19,723.79/x
  3. Step 3: Cross multiply
    33,151.97x = 45,745.67 × 19,723.79
  4. Step 4: Simplify right side
    33,151.97x = 902,277,889.87
  5. Step 5: Solve for x
    x = 902,277,889.87/33,151.97
  6. Step 6: Final answer
    x = 27,216.42

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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.