Home / 20,850.62-31,277.44-5,859.95

Finding the Fourth Proportional to 20,850.62, 31,277.44 and 5,859.95

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Solution

The fourth proportional to 20,850.62, 31,277.44 and 5,859.95 is: 8,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850.62 : 31,277.44 = 5,859.95 : x
  2. Step 2: Convert to fraction form
    20,850.62/31,277.44 = 5,859.95/x
  3. Step 3: Cross multiply
    20,850.62x = 31,277.44 × 5,859.95
  4. Step 4: Simplify right side
    20,850.62x = 183,284,085.47
  5. Step 5: Solve for x
    x = 183,284,085.47/20,850.62
  6. Step 6: Final answer
    x = 8,790.34

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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.