Home / 45,226.55-67,843.07-11,946.29

Finding the Fourth Proportional to 45,226.55, 67,843.07 and 11,946.29

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Solution

The fourth proportional to 45,226.55, 67,843.07 and 11,946.29 is: 17,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,226.55 : 67,843.07 = 11,946.29 : x
  2. Step 2: Convert to fraction form
    45,226.55/67,843.07 = 11,946.29/x
  3. Step 3: Cross multiply
    45,226.55x = 67,843.07 × 11,946.29
  4. Step 4: Simplify right side
    45,226.55x = 810,472,634.56
  5. Step 5: Solve for x
    x = 810,472,634.56/45,226.55
  6. Step 6: Final answer
    x = 17,920.28

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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.