Home / 31,682.74-43,731.92-18,262.97

Finding the Fourth Proportional to 31,682.74, 43,731.92 and 18,262.97

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Solution

The fourth proportional to 31,682.74, 43,731.92 and 18,262.97 is: 25,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.74 : 43,731.92 = 18,262.97 : x
  2. Step 2: Convert to fraction form
    31,682.74/43,731.92 = 18,262.97/x
  3. Step 3: Cross multiply
    31,682.74x = 43,731.92 × 18,262.97
  4. Step 4: Simplify right side
    31,682.74x = 798,674,743.00
  5. Step 5: Solve for x
    x = 798,674,743.00/31,682.74
  6. Step 6: Final answer
    x = 25,208.51

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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.