Home / 33,163.60-45,768.20-19,020.88

Finding the Fourth Proportional to 33,163.60, 45,768.20 and 19,020.88

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Solution

The fourth proportional to 33,163.60, 45,768.20 and 19,020.88 is: 26,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,163.60 : 45,768.20 = 19,020.88 : x
  2. Step 2: Convert to fraction form
    33,163.60/45,768.20 = 19,020.88/x
  3. Step 3: Cross multiply
    33,163.60x = 45,768.20 × 19,020.88
  4. Step 4: Simplify right side
    33,163.60x = 870,551,440.02
  5. Step 5: Solve for x
    x = 870,551,440.02/33,163.60
  6. Step 6: Final answer
    x = 26,250.21

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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.