Home / 35,859.42-49,481.19-19,940.81

Finding the Fourth Proportional to 35,859.42, 49,481.19 and 19,940.81

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Solution

The fourth proportional to 35,859.42, 49,481.19 and 19,940.81 is: 27,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.42 : 49,481.19 = 19,940.81 : x
  2. Step 2: Convert to fraction form
    35,859.42/49,481.19 = 19,940.81/x
  3. Step 3: Cross multiply
    35,859.42x = 49,481.19 × 19,940.81
  4. Step 4: Simplify right side
    35,859.42x = 986,694,760.96
  5. Step 5: Solve for x
    x = 986,694,760.96/35,859.42
  6. Step 6: Final answer
    x = 27,515.64

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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.