Home / 45,169.44-67,754.20-18,859.84

Finding the Fourth Proportional to 45,169.44, 67,754.20 and 18,859.84

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Solution

The fourth proportional to 45,169.44, 67,754.20 and 18,859.84 is: 28,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,169.44 : 67,754.20 = 18,859.84 : x
  2. Step 2: Convert to fraction form
    45,169.44/67,754.20 = 18,859.84/x
  3. Step 3: Cross multiply
    45,169.44x = 67,754.20 × 18,859.84
  4. Step 4: Simplify right side
    45,169.44x = 1,277,833,371.33
  5. Step 5: Solve for x
    x = 1,277,833,371.33/45,169.44
  6. Step 6: Final answer
    x = 28,289.78

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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.