Home / 33,721.56-46,542.22-20,112.95

Finding the Fourth Proportional to 33,721.56, 46,542.22 and 20,112.95

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Solution

The fourth proportional to 33,721.56, 46,542.22 and 20,112.95 is: 27,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,721.56 : 46,542.22 = 20,112.95 : x
  2. Step 2: Convert to fraction form
    33,721.56/46,542.22 = 20,112.95/x
  3. Step 3: Cross multiply
    33,721.56x = 46,542.22 × 20,112.95
  4. Step 4: Simplify right side
    33,721.56x = 936,101,409.82
  5. Step 5: Solve for x
    x = 936,101,409.82/33,721.56
  6. Step 6: Final answer
    x = 27,759.73

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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.