Home / 56,685.60-78,231.24-31,197.06

Finding the Fourth Proportional to 56,685.60, 78,231.24 and 31,197.06

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Solution

The fourth proportional to 56,685.60, 78,231.24 and 31,197.06 is: 43,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685.60 : 78,231.24 = 31,197.06 : x
  2. Step 2: Convert to fraction form
    56,685.60/78,231.24 = 31,197.06/x
  3. Step 3: Cross multiply
    56,685.60x = 78,231.24 × 31,197.06
  4. Step 4: Simplify right side
    56,685.60x = 2,440,584,688.15
  5. Step 5: Solve for x
    x = 2,440,584,688.15/56,685.60
  6. Step 6: Final answer
    x = 43,054.76

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