Home / 30,227.80-41,707.92-18,288.76

Finding the Fourth Proportional to 30,227.80, 41,707.92 and 18,288.76

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Solution

The fourth proportional to 30,227.80, 41,707.92 and 18,288.76 is: 25,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.80 : 41,707.92 = 18,288.76 : x
  2. Step 2: Convert to fraction form
    30,227.80/41,707.92 = 18,288.76/x
  3. Step 3: Cross multiply
    30,227.80x = 41,707.92 × 18,288.76
  4. Step 4: Simplify right side
    30,227.80x = 762,786,138.98
  5. Step 5: Solve for x
    x = 762,786,138.98/30,227.80
  6. Step 6: Final answer
    x = 25,234.59

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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.