Home / 40,320.32-60,481.82-30,974.54

Finding the Fourth Proportional to 40,320.32, 60,481.82 and 30,974.54

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Solution

The fourth proportional to 40,320.32, 60,481.82 and 30,974.54 is: 46,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.32 : 60,481.82 = 30,974.54 : x
  2. Step 2: Convert to fraction form
    40,320.32/60,481.82 = 30,974.54/x
  3. Step 3: Cross multiply
    40,320.32x = 60,481.82 × 30,974.54
  4. Step 4: Simplify right side
    40,320.32x = 1,873,396,327.89
  5. Step 5: Solve for x
    x = 1,873,396,327.89/40,320.32
  6. Step 6: Final answer
    x = 46,462.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.