Home / 31,499.28-47,248.92-21,608.57

Finding the Fourth Proportional to 31,499.28, 47,248.92 and 21,608.57

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Solution

The fourth proportional to 31,499.28, 47,248.92 and 21,608.57 is: 32,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.28 : 47,248.92 = 21,608.57 : x
  2. Step 2: Convert to fraction form
    31,499.28/47,248.92 = 21,608.57/x
  3. Step 3: Cross multiply
    31,499.28x = 47,248.92 × 21,608.57
  4. Step 4: Simplify right side
    31,499.28x = 1,020,981,713.37
  5. Step 5: Solve for x
    x = 1,020,981,713.37/31,499.28
  6. Step 6: Final answer
    x = 32,412.86

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