Home / 56,657.04-78,185.16-31,163.46

Finding the Fourth Proportional to 56,657.04, 78,185.16 and 31,163.46

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Solution

The fourth proportional to 56,657.04, 78,185.16 and 31,163.46 is: 43,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657.04 : 78,185.16 = 31,163.46 : x
  2. Step 2: Convert to fraction form
    56,657.04/78,185.16 = 31,163.46/x
  3. Step 3: Cross multiply
    56,657.04x = 78,185.16 × 31,163.46
  4. Step 4: Simplify right side
    56,657.04x = 2,436,520,106.25
  5. Step 5: Solve for x
    x = 2,436,520,106.25/56,657.04
  6. Step 6: Final answer
    x = 43,004.72

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