Home / 33,186.35-49,662.51-20,712.20

Finding the Fourth Proportional to 33,186.35, 49,662.51 and 20,712.20

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Solution

The fourth proportional to 33,186.35, 49,662.51 and 20,712.20 is: 30,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186.35 : 49,662.51 = 20,712.20 : x
  2. Step 2: Convert to fraction form
    33,186.35/49,662.51 = 20,712.20/x
  3. Step 3: Cross multiply
    33,186.35x = 49,662.51 × 20,712.20
  4. Step 4: Simplify right side
    33,186.35x = 1,028,619,839.62
  5. Step 5: Solve for x
    x = 1,028,619,839.62/33,186.35
  6. Step 6: Final answer
    x = 30,995.27

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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.