Home / 33,302.20-49,953.30-20,147.80

Finding the Fourth Proportional to 33,302.20, 49,953.30 and 20,147.80

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Solution

The fourth proportional to 33,302.20, 49,953.30 and 20,147.80 is: 30,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,302.20 : 49,953.30 = 20,147.80 : x
  2. Step 2: Convert to fraction form
    33,302.20/49,953.30 = 20,147.80/x
  3. Step 3: Cross multiply
    33,302.20x = 49,953.30 × 20,147.80
  4. Step 4: Simplify right side
    33,302.20x = 1,006,449,097.74
  5. Step 5: Solve for x
    x = 1,006,449,097.74/33,302.20
  6. Step 6: Final answer
    x = 30,221.70

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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.