Home / 33,163.22-45,764.19-19,731.40

Finding the Fourth Proportional to 33,163.22, 45,764.19 and 19,731.40

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Solution

The fourth proportional to 33,163.22, 45,764.19 and 19,731.40 is: 27,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,163.22 : 45,764.19 = 19,731.40 : x
  2. Step 2: Convert to fraction form
    33,163.22/45,764.19 = 19,731.40/x
  3. Step 3: Cross multiply
    33,163.22x = 45,764.19 × 19,731.40
  4. Step 4: Simplify right side
    33,163.22x = 902,991,424.16
  5. Step 5: Solve for x
    x = 902,991,424.16/33,163.22
  6. Step 6: Final answer
    x = 27,228.70

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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.