Home / 47,685.11-71,519.55-12,628.31

Finding the Fourth Proportional to 47,685.11, 71,519.55 and 12,628.31

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Solution

The fourth proportional to 47,685.11, 71,519.55 and 12,628.31 is: 18,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685.11 : 71,519.55 = 12,628.31 : x
  2. Step 2: Convert to fraction form
    47,685.11/71,519.55 = 12,628.31/x
  3. Step 3: Cross multiply
    47,685.11x = 71,519.55 × 12,628.31
  4. Step 4: Simplify right side
    47,685.11x = 903,170,690.86
  5. Step 5: Solve for x
    x = 903,170,690.86/47,685.11
  6. Step 6: Final answer
    x = 18,940.31

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