Home / 40,216.98-60,305.94-12,131.85

Finding the Fourth Proportional to 40,216.98, 60,305.94 and 12,131.85

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Solution

The fourth proportional to 40,216.98, 60,305.94 and 12,131.85 is: 18,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,216.98 : 60,305.94 = 12,131.85 : x
  2. Step 2: Convert to fraction form
    40,216.98/60,305.94 = 12,131.85/x
  3. Step 3: Cross multiply
    40,216.98x = 60,305.94 × 12,131.85
  4. Step 4: Simplify right side
    40,216.98x = 731,622,618.19
  5. Step 5: Solve for x
    x = 731,622,618.19/40,216.98
  6. Step 6: Final answer
    x = 18,191.88

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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.