Home / 33,313.11-45,992.12-20,754.87

Finding the Fourth Proportional to 33,313.11, 45,992.12 and 20,754.87

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Solution

The fourth proportional to 33,313.11, 45,992.12 and 20,754.87 is: 28,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,313.11 : 45,992.12 = 20,754.87 : x
  2. Step 2: Convert to fraction form
    33,313.11/45,992.12 = 20,754.87/x
  3. Step 3: Cross multiply
    33,313.11x = 45,992.12 × 20,754.87
  4. Step 4: Simplify right side
    33,313.11x = 954,560,367.85
  5. Step 5: Solve for x
    x = 954,560,367.85/33,313.11
  6. Step 6: Final answer
    x = 28,654.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.