Home / 45,377.72-68,069.82-12,097.61

Finding the Fourth Proportional to 45,377.72, 68,069.82 and 12,097.61

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Solution

The fourth proportional to 45,377.72, 68,069.82 and 12,097.61 is: 18,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,377.72 : 68,069.82 = 12,097.61 : x
  2. Step 2: Convert to fraction form
    45,377.72/68,069.82 = 12,097.61/x
  3. Step 3: Cross multiply
    45,377.72x = 68,069.82 × 12,097.61
  4. Step 4: Simplify right side
    45,377.72x = 823,481,794.78
  5. Step 5: Solve for x
    x = 823,481,794.78/45,377.72
  6. Step 6: Final answer
    x = 18,147.27

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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.