Home / 53,512.56-73,843.92-30,850.38

Finding the Fourth Proportional to 53,512.56, 73,843.92 and 30,850.38

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Solution

The fourth proportional to 53,512.56, 73,843.92 and 30,850.38 is: 42,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,512.56 : 73,843.92 = 30,850.38 : x
  2. Step 2: Convert to fraction form
    53,512.56/73,843.92 = 30,850.38/x
  3. Step 3: Cross multiply
    53,512.56x = 73,843.92 × 30,850.38
  4. Step 4: Simplify right side
    53,512.56x = 2,278,112,992.69
  5. Step 5: Solve for x
    x = 2,278,112,992.69/53,512.56
  6. Step 6: Final answer
    x = 42,571.56

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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.