Home / 31,161.70-43,003.20-17,014.24

Finding the Fourth Proportional to 31,161.70, 43,003.20 and 17,014.24

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Solution

The fourth proportional to 31,161.70, 43,003.20 and 17,014.24 is: 23,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.70 : 43,003.20 = 17,014.24 : x
  2. Step 2: Convert to fraction form
    31,161.70/43,003.20 = 17,014.24/x
  3. Step 3: Cross multiply
    31,161.70x = 43,003.20 × 17,014.24
  4. Step 4: Simplify right side
    31,161.70x = 731,666,765.57
  5. Step 5: Solve for x
    x = 731,666,765.57/31,161.70
  6. Step 6: Final answer
    x = 23,479.68

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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.