Home / 45,736.88-68,604.48-12,456.44

Finding the Fourth Proportional to 45,736.88, 68,604.48 and 12,456.44

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Solution

The fourth proportional to 45,736.88, 68,604.48 and 12,456.44 is: 18,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,736.88 : 68,604.48 = 12,456.44 : x
  2. Step 2: Convert to fraction form
    45,736.88/68,604.48 = 12,456.44/x
  3. Step 3: Cross multiply
    45,736.88x = 68,604.48 × 12,456.44
  4. Step 4: Simplify right side
    45,736.88x = 854,567,588.85
  5. Step 5: Solve for x
    x = 854,567,588.85/45,736.88
  6. Step 6: Final answer
    x = 18,684.43

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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.