Home / 33,186.84-49,663.27-20,712.70

Finding the Fourth Proportional to 33,186.84, 49,663.27 and 20,712.70

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Solution

The fourth proportional to 33,186.84, 49,663.27 and 20,712.70 is: 30,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186.84 : 49,663.27 = 20,712.70 : x
  2. Step 2: Convert to fraction form
    33,186.84/49,663.27 = 20,712.70/x
  3. Step 3: Cross multiply
    33,186.84x = 49,663.27 × 20,712.70
  4. Step 4: Simplify right side
    33,186.84x = 1,028,660,412.53
  5. Step 5: Solve for x
    x = 1,028,660,412.53/33,186.84
  6. Step 6: Final answer
    x = 30,996.03

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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.