Home / 56,546.80-84,766.20-20,998.60

Finding the Fourth Proportional to 56,546.80, 84,766.20 and 20,998.60

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Solution

The fourth proportional to 56,546.80, 84,766.20 and 20,998.60 is: 31,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,546.80 : 84,766.20 = 20,998.60 : x
  2. Step 2: Convert to fraction form
    56,546.80/84,766.20 = 20,998.60/x
  3. Step 3: Cross multiply
    56,546.80x = 84,766.20 × 20,998.60
  4. Step 4: Simplify right side
    56,546.80x = 1,779,971,527.32
  5. Step 5: Solve for x
    x = 1,779,971,527.32/56,546.80
  6. Step 6: Final answer
    x = 31,477.85

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