Home / 55,568.39-83,361.24-18,119.78

Finding the Fourth Proportional to 55,568.39, 83,361.24 and 18,119.78

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Solution

The fourth proportional to 55,568.39, 83,361.24 and 18,119.78 is: 27,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,568.39 : 83,361.24 = 18,119.78 : x
  2. Step 2: Convert to fraction form
    55,568.39/83,361.24 = 18,119.78/x
  3. Step 3: Cross multiply
    55,568.39x = 83,361.24 × 18,119.78
  4. Step 4: Simplify right side
    55,568.39x = 1,510,486,912.52
  5. Step 5: Solve for x
    x = 1,510,486,912.52/55,568.39
  6. Step 6: Final answer
    x = 27,182.48

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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.