Home / 35,529.91-49,029.36-22,100.78

Finding the Fourth Proportional to 35,529.91, 49,029.36 and 22,100.78

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Solution

The fourth proportional to 35,529.91, 49,029.36 and 22,100.78 is: 30,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,529.91 : 49,029.36 = 22,100.78 : x
  2. Step 2: Convert to fraction form
    35,529.91/49,029.36 = 22,100.78/x
  3. Step 3: Cross multiply
    35,529.91x = 49,029.36 × 22,100.78
  4. Step 4: Simplify right side
    35,529.91x = 1,083,587,098.90
  5. Step 5: Solve for x
    x = 1,083,587,098.90/35,529.91
  6. Step 6: Final answer
    x = 30,497.88

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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.