Home / 57,120.17-78,825.71-31,627.85

Finding the Fourth Proportional to 57,120.17, 78,825.71 and 31,627.85

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Solution

The fourth proportional to 57,120.17, 78,825.71 and 31,627.85 is: 43,646.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,120.17 : 78,825.71 = 31,627.85 : x
  2. Step 2: Convert to fraction form
    57,120.17/78,825.71 = 31,627.85/x
  3. Step 3: Cross multiply
    57,120.17x = 78,825.71 × 31,627.85
  4. Step 4: Simplify right side
    57,120.17x = 2,493,087,573.88
  5. Step 5: Solve for x
    x = 2,493,087,573.88/57,120.17
  6. Step 6: Final answer
    x = 43,646.36

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