Home / 33,680.80-46,471.62-20,249.92

Finding the Fourth Proportional to 33,680.80, 46,471.62 and 20,249.92

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Solution

The fourth proportional to 33,680.80, 46,471.62 and 20,249.92 is: 27,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,680.80 : 46,471.62 = 20,249.92 : x
  2. Step 2: Convert to fraction form
    33,680.80/46,471.62 = 20,249.92/x
  3. Step 3: Cross multiply
    33,680.80x = 46,471.62 × 20,249.92
  4. Step 4: Simplify right side
    33,680.80x = 941,046,587.27
  5. Step 5: Solve for x
    x = 941,046,587.27/33,680.80
  6. Step 6: Final answer
    x = 27,940.15

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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.