Home / 20,943.52-31,415.26-5,361.12

Finding the Fourth Proportional to 20,943.52, 31,415.26 and 5,361.12

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Solution

The fourth proportional to 20,943.52, 31,415.26 and 5,361.12 is: 8,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943.52 : 31,415.26 = 5,361.12 : x
  2. Step 2: Convert to fraction form
    20,943.52/31,415.26 = 5,361.12/x
  3. Step 3: Cross multiply
    20,943.52x = 31,415.26 × 5,361.12
  4. Step 4: Simplify right side
    20,943.52x = 168,420,978.69
  5. Step 5: Solve for x
    x = 168,420,978.69/20,943.52
  6. Step 6: Final answer
    x = 8,041.67

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