Home / 31,715.11-47,575.80-11,729.85

Finding the Fourth Proportional to 31,715.11, 47,575.80 and 11,729.85

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Solution

The fourth proportional to 31,715.11, 47,575.80 and 11,729.85 is: 17,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.11 : 47,575.80 = 11,729.85 : x
  2. Step 2: Convert to fraction form
    31,715.11/47,575.80 = 11,729.85/x
  3. Step 3: Cross multiply
    31,715.11x = 47,575.80 × 11,729.85
  4. Step 4: Simplify right side
    31,715.11x = 558,056,997.63
  5. Step 5: Solve for x
    x = 558,056,997.63/31,715.11
  6. Step 6: Final answer
    x = 17,595.93

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