Home / 31,865.30-43,973.97-17,717.30

Finding the Fourth Proportional to 31,865.30, 43,973.97 and 17,717.30

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Solution

The fourth proportional to 31,865.30, 43,973.97 and 17,717.30 is: 24,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.30 : 43,973.97 = 17,717.30 : x
  2. Step 2: Convert to fraction form
    31,865.30/43,973.97 = 17,717.30/x
  3. Step 3: Cross multiply
    31,865.30x = 43,973.97 × 17,717.30
  4. Step 4: Simplify right side
    31,865.30x = 779,100,018.68
  5. Step 5: Solve for x
    x = 779,100,018.68/31,865.30
  6. Step 6: Final answer
    x = 24,449.79

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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.