Home / 33,112.92-49,669.34-13,391.32

Finding the Fourth Proportional to 33,112.92, 49,669.34 and 13,391.32

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Solution

The fourth proportional to 33,112.92, 49,669.34 and 13,391.32 is: 20,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.92 : 49,669.34 = 13,391.32 : x
  2. Step 2: Convert to fraction form
    33,112.92/49,669.34 = 13,391.32/x
  3. Step 3: Cross multiply
    33,112.92x = 49,669.34 × 13,391.32
  4. Step 4: Simplify right side
    33,112.92x = 665,138,026.13
  5. Step 5: Solve for x
    x = 665,138,026.13/33,112.92
  6. Step 6: Final answer
    x = 20,086.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.