Home / 50,443.12-75,670.17-18,868.33

Finding the Fourth Proportional to 50,443.12, 75,670.17 and 18,868.33

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Solution

The fourth proportional to 50,443.12, 75,670.17 and 18,868.33 is: 28,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,443.12 : 75,670.17 = 18,868.33 : x
  2. Step 2: Convert to fraction form
    50,443.12/75,670.17 = 18,868.33/x
  3. Step 3: Cross multiply
    50,443.12x = 75,670.17 × 18,868.33
  4. Step 4: Simplify right side
    50,443.12x = 1,427,769,738.72
  5. Step 5: Solve for x
    x = 1,427,769,738.72/50,443.12
  6. Step 6: Final answer
    x = 28,304.55

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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.