Home / 33,687.68-50,448.49-21,176.68

Finding the Fourth Proportional to 33,687.68, 50,448.49 and 21,176.68

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Solution

The fourth proportional to 33,687.68, 50,448.49 and 21,176.68 is: 31,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687.68 : 50,448.49 = 21,176.68 : x
  2. Step 2: Convert to fraction form
    33,687.68/50,448.49 = 21,176.68/x
  3. Step 3: Cross multiply
    33,687.68x = 50,448.49 × 21,176.68
  4. Step 4: Simplify right side
    33,687.68x = 1,068,331,418.47
  5. Step 5: Solve for x
    x = 1,068,331,418.47/33,687.68
  6. Step 6: Final answer
    x = 31,712.82

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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.