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Finding the Fourth Proportional to 33,882.40, 50,821.02 and 10,508.20

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Solution

The fourth proportional to 33,882.40, 50,821.02 and 10,508.20 is: 15,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,882.40 : 50,821.02 = 10,508.20 : x
  2. Step 2: Convert to fraction form
    33,882.40/50,821.02 = 10,508.20/x
  3. Step 3: Cross multiply
    33,882.40x = 50,821.02 × 10,508.20
  4. Step 4: Simplify right side
    33,882.40x = 534,037,442.36
  5. Step 5: Solve for x
    x = 534,037,442.36/33,882.40
  6. Step 6: Final answer
    x = 15,761.50

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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.