Home / 33,147.80-45,743.10-18,040.76

Finding the Fourth Proportional to 33,147.80, 45,743.10 and 18,040.76

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Solution

The fourth proportional to 33,147.80, 45,743.10 and 18,040.76 is: 24,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,147.80 : 45,743.10 = 18,040.76 : x
  2. Step 2: Convert to fraction form
    33,147.80/45,743.10 = 18,040.76/x
  3. Step 3: Cross multiply
    33,147.80x = 45,743.10 × 18,040.76
  4. Step 4: Simplify right side
    33,147.80x = 825,240,288.76
  5. Step 5: Solve for x
    x = 825,240,288.76/33,147.80
  6. Step 6: Final answer
    x = 24,895.78

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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.