Home / 20,635.52-30,949.32-5,840.86

Finding the Fourth Proportional to 20,635.52, 30,949.32 and 5,840.86

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Solution

The fourth proportional to 20,635.52, 30,949.32 and 5,840.86 is: 8,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.52 : 30,949.32 = 5,840.86 : x
  2. Step 2: Convert to fraction form
    20,635.52/30,949.32 = 5,840.86/x
  3. Step 3: Cross multiply
    20,635.52x = 30,949.32 × 5,840.86
  4. Step 4: Simplify right side
    20,635.52x = 180,770,645.22
  5. Step 5: Solve for x
    x = 180,770,645.22/20,635.52
  6. Step 6: Final answer
    x = 8,760.17

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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.