Home / 31,319.16-43,221.80-18,741.48

Finding the Fourth Proportional to 31,319.16, 43,221.80 and 18,741.48

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Solution

The fourth proportional to 31,319.16, 43,221.80 and 18,741.48 is: 25,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.16 : 43,221.80 = 18,741.48 : x
  2. Step 2: Convert to fraction form
    31,319.16/43,221.80 = 18,741.48/x
  3. Step 3: Cross multiply
    31,319.16x = 43,221.80 × 18,741.48
  4. Step 4: Simplify right side
    31,319.16x = 810,040,500.26
  5. Step 5: Solve for x
    x = 810,040,500.26/31,319.16
  6. Step 6: Final answer
    x = 25,864.06

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