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Finding the Fourth Proportional to 31,065.10, 46,597.79 and 13,293.16

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Solution

The fourth proportional to 31,065.10, 46,597.79 and 13,293.16 is: 19,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065.10 : 46,597.79 = 13,293.16 : x
  2. Step 2: Convert to fraction form
    31,065.10/46,597.79 = 13,293.16/x
  3. Step 3: Cross multiply
    31,065.10x = 46,597.79 × 13,293.16
  4. Step 4: Simplify right side
    31,065.10x = 619,431,794.85
  5. Step 5: Solve for x
    x = 619,431,794.85/31,065.10
  6. Step 6: Final answer
    x = 19,939.80

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