Home / 30,198.70-41,679.39-17,629.66

Finding the Fourth Proportional to 30,198.70, 41,679.39 and 17,629.66

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Solution

The fourth proportional to 30,198.70, 41,679.39 and 17,629.66 is: 24,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.70 : 41,679.39 = 17,629.66 : x
  2. Step 2: Convert to fraction form
    30,198.70/41,679.39 = 17,629.66/x
  3. Step 3: Cross multiply
    30,198.70x = 41,679.39 × 17,629.66
  4. Step 4: Simplify right side
    30,198.70x = 734,793,474.71
  5. Step 5: Solve for x
    x = 734,793,474.71/30,198.70
  6. Step 6: Final answer
    x = 24,331.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.