Home / 31,297.17-43,191.09-17,150.88

Finding the Fourth Proportional to 31,297.17, 43,191.09 and 17,150.88

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Solution

The fourth proportional to 31,297.17, 43,191.09 and 17,150.88 is: 23,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.17 : 43,191.09 = 17,150.88 : x
  2. Step 2: Convert to fraction form
    31,297.17/43,191.09 = 17,150.88/x
  3. Step 3: Cross multiply
    31,297.17x = 43,191.09 × 17,150.88
  4. Step 4: Simplify right side
    31,297.17x = 740,765,201.66
  5. Step 5: Solve for x
    x = 740,765,201.66/31,297.17
  6. Step 6: Final answer
    x = 23,668.76

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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.