Home / 36,819.66-55,253.68-20,191.38

Finding the Fourth Proportional to 36,819.66, 55,253.68 and 20,191.38

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Solution

The fourth proportional to 36,819.66, 55,253.68 and 20,191.38 is: 30,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.66 : 55,253.68 = 20,191.38 : x
  2. Step 2: Convert to fraction form
    36,819.66/55,253.68 = 20,191.38/x
  3. Step 3: Cross multiply
    36,819.66x = 55,253.68 × 20,191.38
  4. Step 4: Simplify right side
    36,819.66x = 1,115,648,049.28
  5. Step 5: Solve for x
    x = 1,115,648,049.28/36,819.66
  6. Step 6: Final answer
    x = 30,300.34

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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.