Home / 40,126.82-55,338.45-34,459.79

Finding the Fourth Proportional to 40,126.82, 55,338.45 and 34,459.79

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Solution

The fourth proportional to 40,126.82, 55,338.45 and 34,459.79 is: 47,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,126.82 : 55,338.45 = 34,459.79 : x
  2. Step 2: Convert to fraction form
    40,126.82/55,338.45 = 34,459.79/x
  3. Step 3: Cross multiply
    40,126.82x = 55,338.45 × 34,459.79
  4. Step 4: Simplify right side
    40,126.82x = 1,906,951,365.93
  5. Step 5: Solve for x
    x = 1,906,951,365.93/40,126.82
  6. Step 6: Final answer
    x = 47,523.11

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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.