Home / 45,321.91-67,972.58-17,231.97

Finding the Fourth Proportional to 45,321.91, 67,972.58 and 17,231.97

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Solution

The fourth proportional to 45,321.91, 67,972.58 and 17,231.97 is: 25,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.91 : 67,972.58 = 17,231.97 : x
  2. Step 2: Convert to fraction form
    45,321.91/67,972.58 = 17,231.97/x
  3. Step 3: Cross multiply
    45,321.91x = 67,972.58 × 17,231.97
  4. Step 4: Simplify right side
    45,321.91x = 1,171,301,692.74
  5. Step 5: Solve for x
    x = 1,171,301,692.74/45,321.91
  6. Step 6: Final answer
    x = 25,844.05

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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.