Home / 40,211.46-60,331.32-18,022.86

Finding the Fourth Proportional to 40,211.46, 60,331.32 and 18,022.86

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Solution

The fourth proportional to 40,211.46, 60,331.32 and 18,022.86 is: 27,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.46 : 60,331.32 = 18,022.86 : x
  2. Step 2: Convert to fraction form
    40,211.46/60,331.32 = 18,022.86/x
  3. Step 3: Cross multiply
    40,211.46x = 60,331.32 × 18,022.86
  4. Step 4: Simplify right side
    40,211.46x = 1,087,342,933.98
  5. Step 5: Solve for x
    x = 1,087,342,933.98/40,211.46
  6. Step 6: Final answer
    x = 27,040.62

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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.