Home / 38,509.12-57,772.91-12,213.86

Finding the Fourth Proportional to 38,509.12, 57,772.91 and 12,213.86

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Solution

The fourth proportional to 38,509.12, 57,772.91 and 12,213.86 is: 18,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,509.12 : 57,772.91 = 12,213.86 : x
  2. Step 2: Convert to fraction form
    38,509.12/57,772.91 = 12,213.86/x
  3. Step 3: Cross multiply
    38,509.12x = 57,772.91 × 12,213.86
  4. Step 4: Simplify right side
    38,509.12x = 705,629,976.20
  5. Step 5: Solve for x
    x = 705,629,976.20/38,509.12
  6. Step 6: Final answer
    x = 18,323.71

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