Home / 33,331.69-49,942.86-20,187.82

Finding the Fourth Proportional to 33,331.69, 49,942.86 and 20,187.82

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Solution

The fourth proportional to 33,331.69, 49,942.86 and 20,187.82 is: 30,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,331.69 : 49,942.86 = 20,187.82 : x
  2. Step 2: Convert to fraction form
    33,331.69/49,942.86 = 20,187.82/x
  3. Step 3: Cross multiply
    33,331.69x = 49,942.86 × 20,187.82
  4. Step 4: Simplify right side
    33,331.69x = 1,008,237,467.97
  5. Step 5: Solve for x
    x = 1,008,237,467.97/33,331.69
  6. Step 6: Final answer
    x = 30,248.62

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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.