Home / 33,144.36-45,738.73-18,240.36

Finding the Fourth Proportional to 33,144.36, 45,738.73 and 18,240.36

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Solution

The fourth proportional to 33,144.36, 45,738.73 and 18,240.36 is: 25,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,144.36 : 45,738.73 = 18,240.36 : x
  2. Step 2: Convert to fraction form
    33,144.36/45,738.73 = 18,240.36/x
  3. Step 3: Cross multiply
    33,144.36x = 45,738.73 × 18,240.36
  4. Step 4: Simplify right side
    33,144.36x = 834,290,672.45
  5. Step 5: Solve for x
    x = 834,290,672.45/33,144.36
  6. Step 6: Final answer
    x = 25,171.43

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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.