Home / 35,858.68-49,481.18-19,940.56

Finding the Fourth Proportional to 35,858.68, 49,481.18 and 19,940.56

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Solution

The fourth proportional to 35,858.68, 49,481.18 and 19,940.56 is: 27,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.68 : 49,481.18 = 19,940.56 : x
  2. Step 2: Convert to fraction form
    35,858.68/49,481.18 = 19,940.56/x
  3. Step 3: Cross multiply
    35,858.68x = 49,481.18 × 19,940.56
  4. Step 4: Simplify right side
    35,858.68x = 986,682,438.66
  5. Step 5: Solve for x
    x = 986,682,438.66/35,858.68
  6. Step 6: Final answer
    x = 27,515.86

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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.