Home / 33,309.66-49,939.78-20,158.91

Finding the Fourth Proportional to 33,309.66, 49,939.78 and 20,158.91

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Solution

The fourth proportional to 33,309.66, 49,939.78 and 20,158.91 is: 30,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.66 : 49,939.78 = 20,158.91 : x
  2. Step 2: Convert to fraction form
    33,309.66/49,939.78 = 20,158.91/x
  3. Step 3: Cross multiply
    33,309.66x = 49,939.78 × 20,158.91
  4. Step 4: Simplify right side
    33,309.66x = 1,006,731,530.44
  5. Step 5: Solve for x
    x = 1,006,731,530.44/33,309.66
  6. Step 6: Final answer
    x = 30,223.41

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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.