Home / 33,231.19-45,857.78-18,327.19

Finding the Fourth Proportional to 33,231.19, 45,857.78 and 18,327.19

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Solution

The fourth proportional to 33,231.19, 45,857.78 and 18,327.19 is: 25,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.19 : 45,857.78 = 18,327.19 : x
  2. Step 2: Convert to fraction form
    33,231.19/45,857.78 = 18,327.19/x
  3. Step 3: Cross multiply
    33,231.19x = 45,857.78 × 18,327.19
  4. Step 4: Simplify right side
    33,231.19x = 840,444,155.40
  5. Step 5: Solve for x
    x = 840,444,155.40/33,231.19
  6. Step 6: Final answer
    x = 25,290.82

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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.