Home / 80,783.30-121,173.18-21,618.96

Finding the Fourth Proportional to 80,783.30, 121,173.18 and 21,618.96

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Solution

The fourth proportional to 80,783.30, 121,173.18 and 21,618.96 is: 32,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,783.30 : 121,173.18 = 21,618.96 : x
  2. Step 2: Convert to fraction form
    80,783.30/121,173.18 = 21,618.96/x
  3. Step 3: Cross multiply
    80,783.30x = 121,173.18 × 21,618.96
  4. Step 4: Simplify right side
    80,783.30x = 2,619,638,131.49
  5. Step 5: Solve for x
    x = 2,619,638,131.49/80,783.30
  6. Step 6: Final answer
    x = 32,427.97

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