Home / 33,298.20-49,947.30-20,143.80

Finding the Fourth Proportional to 33,298.20, 49,947.30 and 20,143.80

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Solution

The fourth proportional to 33,298.20, 49,947.30 and 20,143.80 is: 30,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,298.20 : 49,947.30 = 20,143.80 : x
  2. Step 2: Convert to fraction form
    33,298.20/49,947.30 = 20,143.80/x
  3. Step 3: Cross multiply
    33,298.20x = 49,947.30 × 20,143.80
  4. Step 4: Simplify right side
    33,298.20x = 1,006,128,421.74
  5. Step 5: Solve for x
    x = 1,006,128,421.74/33,298.20
  6. Step 6: Final answer
    x = 30,215.70

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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.