Home / 31,162.70-43,004.58-17,015.24

Finding the Fourth Proportional to 31,162.70, 43,004.58 and 17,015.24

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Solution

The fourth proportional to 31,162.70, 43,004.58 and 17,015.24 is: 23,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.70 : 43,004.58 = 17,015.24 : x
  2. Step 2: Convert to fraction form
    31,162.70/43,004.58 = 17,015.24/x
  3. Step 3: Cross multiply
    31,162.70x = 43,004.58 × 17,015.24
  4. Step 4: Simplify right side
    31,162.70x = 731,733,249.80
  5. Step 5: Solve for x
    x = 731,733,249.80/31,162.70
  6. Step 6: Final answer
    x = 23,481.06

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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.