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Finding the Fourth Proportional to 49,979.46, 74,969.16 and 13,043.46

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Solution

The fourth proportional to 49,979.46, 74,969.16 and 13,043.46 is: 19,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.46 : 74,969.16 = 13,043.46 : x
  2. Step 2: Convert to fraction form
    49,979.46/74,969.16 = 13,043.46/x
  3. Step 3: Cross multiply
    49,979.46x = 74,969.16 × 13,043.46
  4. Step 4: Simplify right side
    49,979.46x = 977,857,239.69
  5. Step 5: Solve for x
    x = 977,857,239.69/49,979.46
  6. Step 6: Final answer
    x = 19,565.18

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