Home / 33,097.43-45,637.38-30,997.91

Finding the Fourth Proportional to 33,097.43, 45,637.38 and 30,997.91

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Solution

The fourth proportional to 33,097.43, 45,637.38 and 30,997.91 is: 42,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,097.43 : 45,637.38 = 30,997.91 : x
  2. Step 2: Convert to fraction form
    33,097.43/45,637.38 = 30,997.91/x
  3. Step 3: Cross multiply
    33,097.43x = 45,637.38 × 30,997.91
  4. Step 4: Simplify right side
    33,097.43x = 1,414,663,511.97
  5. Step 5: Solve for x
    x = 1,414,663,511.97/33,097.43
  6. Step 6: Final answer
    x = 42,742.39

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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.