Home / 45,040.88-67,559.96-18,744.95

Finding the Fourth Proportional to 45,040.88, 67,559.96 and 18,744.95

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Solution

The fourth proportional to 45,040.88, 67,559.96 and 18,744.95 is: 28,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.88 : 67,559.96 = 18,744.95 : x
  2. Step 2: Convert to fraction form
    45,040.88/67,559.96 = 18,744.95/x
  3. Step 3: Cross multiply
    45,040.88x = 67,559.96 × 18,744.95
  4. Step 4: Simplify right side
    45,040.88x = 1,266,407,640.68
  5. Step 5: Solve for x
    x = 1,266,407,640.68/45,040.88
  6. Step 6: Final answer
    x = 28,116.85

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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.