Home / 40,198-55,473.24-23,427.76

Finding the Fourth Proportional to 40,198, 55,473.24 and 23,427.76

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Solution

The fourth proportional to 40,198, 55,473.24 and 23,427.76 is: 32,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198 : 55,473.24 = 23,427.76 : x
  2. Step 2: Convert to fraction form
    40,198/55,473.24 = 23,427.76/x
  3. Step 3: Cross multiply
    40,198x = 55,473.24 × 23,427.76
  4. Step 4: Simplify right side
    40,198x = 1,299,613,753.14
  5. Step 5: Solve for x
    x = 1,299,613,753.14/40,198
  6. Step 6: Final answer
    x = 32,330.31

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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.