Home / 34,631.56-47,780.30-21,188.80

Finding the Fourth Proportional to 34,631.56, 47,780.30 and 21,188.80

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Solution

The fourth proportional to 34,631.56, 47,780.30 and 21,188.80 is: 29,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,631.56 : 47,780.30 = 21,188.80 : x
  2. Step 2: Convert to fraction form
    34,631.56/47,780.30 = 21,188.80/x
  3. Step 3: Cross multiply
    34,631.56x = 47,780.30 × 21,188.80
  4. Step 4: Simplify right side
    34,631.56x = 1,012,407,220.64
  5. Step 5: Solve for x
    x = 1,012,407,220.64/34,631.56
  6. Step 6: Final answer
    x = 29,233.66

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