Home / 47,922.82-71,850.20-18,315.70

Finding the Fourth Proportional to 47,922.82, 71,850.20 and 18,315.70

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Solution

The fourth proportional to 47,922.82, 71,850.20 and 18,315.70 is: 27,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,922.82 : 71,850.20 = 18,315.70 : x
  2. Step 2: Convert to fraction form
    47,922.82/71,850.20 = 18,315.70/x
  3. Step 3: Cross multiply
    47,922.82x = 71,850.20 × 18,315.70
  4. Step 4: Simplify right side
    47,922.82x = 1,315,986,708.14
  5. Step 5: Solve for x
    x = 1,315,986,708.14/47,922.82
  6. Step 6: Final answer
    x = 27,460.54

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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.