Home / 34,120.39-47,086.44-18,806.09

Finding the Fourth Proportional to 34,120.39, 47,086.44 and 18,806.09

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Solution

The fourth proportional to 34,120.39, 47,086.44 and 18,806.09 is: 25,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120.39 : 47,086.44 = 18,806.09 : x
  2. Step 2: Convert to fraction form
    34,120.39/47,086.44 = 18,806.09/x
  3. Step 3: Cross multiply
    34,120.39x = 47,086.44 × 18,806.09
  4. Step 4: Simplify right side
    34,120.39x = 885,511,840.22
  5. Step 5: Solve for x
    x = 885,511,840.22/34,120.39
  6. Step 6: Final answer
    x = 25,952.57

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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.