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Finding the Fourth Proportional to 30,940.95, 46,411.38 and 11,219.46

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Solution

The fourth proportional to 30,940.95, 46,411.38 and 11,219.46 is: 16,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.95 : 46,411.38 = 11,219.46 : x
  2. Step 2: Convert to fraction form
    30,940.95/46,411.38 = 11,219.46/x
  3. Step 3: Cross multiply
    30,940.95x = 46,411.38 × 11,219.46
  4. Step 4: Simplify right side
    30,940.95x = 520,710,621.45
  5. Step 5: Solve for x
    x = 520,710,621.45/30,940.95
  6. Step 6: Final answer
    x = 16,829.17

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