Home / 49,729.82-68,628.26-28,220.97

Finding the Fourth Proportional to 49,729.82, 68,628.26 and 28,220.97

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Solution

The fourth proportional to 49,729.82, 68,628.26 and 28,220.97 is: 38,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,729.82 : 68,628.26 = 28,220.97 : x
  2. Step 2: Convert to fraction form
    49,729.82/68,628.26 = 28,220.97/x
  3. Step 3: Cross multiply
    49,729.82x = 68,628.26 × 28,220.97
  4. Step 4: Simplify right side
    49,729.82x = 1,936,756,394.52
  5. Step 5: Solve for x
    x = 1,936,756,394.52/49,729.82
  6. Step 6: Final answer
    x = 38,945.58

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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.