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Finding the Fourth Proportional to 31,460.95, 47,191.18 and 14,811.91

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Solution

The fourth proportional to 31,460.95, 47,191.18 and 14,811.91 is: 22,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.95 : 47,191.18 = 14,811.91 : x
  2. Step 2: Convert to fraction form
    31,460.95/47,191.18 = 14,811.91/x
  3. Step 3: Cross multiply
    31,460.95x = 47,191.18 × 14,811.91
  4. Step 4: Simplify right side
    31,460.95x = 698,991,510.95
  5. Step 5: Solve for x
    x = 698,991,510.95/31,460.95
  6. Step 6: Final answer
    x = 22,217.75

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