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Finding the Fourth Proportional to 30,965.46, 46,433.96 and 9,900.88

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Solution

The fourth proportional to 30,965.46, 46,433.96 and 9,900.88 is: 14,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965.46 : 46,433.96 = 9,900.88 : x
  2. Step 2: Convert to fraction form
    30,965.46/46,433.96 = 9,900.88/x
  3. Step 3: Cross multiply
    30,965.46x = 46,433.96 × 9,900.88
  4. Step 4: Simplify right side
    30,965.46x = 459,737,065.88
  5. Step 5: Solve for x
    x = 459,737,065.88/30,965.46
  6. Step 6: Final answer
    x = 14,846.77

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