Home / 45,321.63-67,972.19-17,231.66

Finding the Fourth Proportional to 45,321.63, 67,972.19 and 17,231.66

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Solution

The fourth proportional to 45,321.63, 67,972.19 and 17,231.66 is: 25,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.63 : 67,972.19 = 17,231.66 : x
  2. Step 2: Convert to fraction form
    45,321.63/67,972.19 = 17,231.66/x
  3. Step 3: Cross multiply
    45,321.63x = 67,972.19 × 17,231.66
  4. Step 4: Simplify right side
    45,321.63x = 1,171,273,736.05
  5. Step 5: Solve for x
    x = 1,171,273,736.05/45,321.63
  6. Step 6: Final answer
    x = 25,843.59

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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.