Home / 33,760.20-50,640.30-28,511.40

Finding the Fourth Proportional to 33,760.20, 50,640.30 and 28,511.40

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Solution

The fourth proportional to 33,760.20, 50,640.30 and 28,511.40 is: 42,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,760.20 : 50,640.30 = 28,511.40 : x
  2. Step 2: Convert to fraction form
    33,760.20/50,640.30 = 28,511.40/x
  3. Step 3: Cross multiply
    33,760.20x = 50,640.30 × 28,511.40
  4. Step 4: Simplify right side
    33,760.20x = 1,443,825,849.42
  5. Step 5: Solve for x
    x = 1,443,825,849.42/33,760.20
  6. Step 6: Final answer
    x = 42,767.10

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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.