Home / 31,081.07-46,662.26-18,453.88

Finding the Fourth Proportional to 31,081.07, 46,662.26 and 18,453.88

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Solution

The fourth proportional to 31,081.07, 46,662.26 and 18,453.88 is: 27,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,081.07 : 46,662.26 = 18,453.88 : x
  2. Step 2: Convert to fraction form
    31,081.07/46,662.26 = 18,453.88/x
  3. Step 3: Cross multiply
    31,081.07x = 46,662.26 × 18,453.88
  4. Step 4: Simplify right side
    31,081.07x = 861,099,537.64
  5. Step 5: Solve for x
    x = 861,099,537.64/31,081.07
  6. Step 6: Final answer
    x = 27,704.95

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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.