Home / 33,219.11-49,772.28-20,043.80

Finding the Fourth Proportional to 33,219.11, 49,772.28 and 20,043.80

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Solution

The fourth proportional to 33,219.11, 49,772.28 and 20,043.80 is: 30,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,219.11 : 49,772.28 = 20,043.80 : x
  2. Step 2: Convert to fraction form
    33,219.11/49,772.28 = 20,043.80/x
  3. Step 3: Cross multiply
    33,219.11x = 49,772.28 × 20,043.80
  4. Step 4: Simplify right side
    33,219.11x = 997,625,625.86
  5. Step 5: Solve for x
    x = 997,625,625.86/33,219.11
  6. Step 6: Final answer
    x = 30,031.68

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1.5x scale

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.