Home / 31,843.91-43,900.68-25,405.38

Finding the Fourth Proportional to 31,843.91, 43,900.68 and 25,405.38

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Solution

The fourth proportional to 31,843.91, 43,900.68 and 25,405.38 is: 35,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,843.91 : 43,900.68 = 25,405.38 : x
  2. Step 2: Convert to fraction form
    31,843.91/43,900.68 = 25,405.38/x
  3. Step 3: Cross multiply
    31,843.91x = 43,900.68 × 25,405.38
  4. Step 4: Simplify right side
    31,843.91x = 1,115,313,457.66
  5. Step 5: Solve for x
    x = 1,115,313,457.66/31,843.91
  6. Step 6: Final answer
    x = 35,024.39

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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.