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Finding the Fourth Proportional to 30,711.86, 46,137.04 and 18,240.03

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Solution

The fourth proportional to 30,711.86, 46,137.04 and 18,240.03 is: 27,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711.86 : 46,137.04 = 18,240.03 : x
  2. Step 2: Convert to fraction form
    30,711.86/46,137.04 = 18,240.03/x
  3. Step 3: Cross multiply
    30,711.86x = 46,137.04 × 18,240.03
  4. Step 4: Simplify right side
    30,711.86x = 841,540,993.71
  5. Step 5: Solve for x
    x = 841,540,993.71/30,711.86
  6. Step 6: Final answer
    x = 27,401.17

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