Home / 33,719.54-50,584.80-12,661.21

Finding the Fourth Proportional to 33,719.54, 50,584.80 and 12,661.21

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Solution

The fourth proportional to 33,719.54, 50,584.80 and 12,661.21 is: 18,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,719.54 : 50,584.80 = 12,661.21 : x
  2. Step 2: Convert to fraction form
    33,719.54/50,584.80 = 12,661.21/x
  3. Step 3: Cross multiply
    33,719.54x = 50,584.80 × 12,661.21
  4. Step 4: Simplify right side
    33,719.54x = 640,464,886.32
  5. Step 5: Solve for x
    x = 640,464,886.32/33,719.54
  6. Step 6: Final answer
    x = 18,993.88

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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.