Home / 40,168.82-55,431.44-22,263.38

Finding the Fourth Proportional to 40,168.82, 55,431.44 and 22,263.38

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Solution

The fourth proportional to 40,168.82, 55,431.44 and 22,263.38 is: 30,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168.82 : 55,431.44 = 22,263.38 : x
  2. Step 2: Convert to fraction form
    40,168.82/55,431.44 = 22,263.38/x
  3. Step 3: Cross multiply
    40,168.82x = 55,431.44 × 22,263.38
  4. Step 4: Simplify right side
    40,168.82x = 1,234,091,212.67
  5. Step 5: Solve for x
    x = 1,234,091,212.67/40,168.82
  6. Step 6: Final answer
    x = 30,722.62

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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.