Home / 57,161.25-78,881.06-31,319.61

Finding the Fourth Proportional to 57,161.25, 78,881.06 and 31,319.61

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Solution

The fourth proportional to 57,161.25, 78,881.06 and 31,319.61 is: 43,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,161.25 : 78,881.06 = 31,319.61 : x
  2. Step 2: Convert to fraction form
    57,161.25/78,881.06 = 31,319.61/x
  3. Step 3: Cross multiply
    57,161.25x = 78,881.06 × 31,319.61
  4. Step 4: Simplify right side
    57,161.25x = 2,470,523,878.99
  5. Step 5: Solve for x
    x = 2,470,523,878.99/57,161.25
  6. Step 6: Final answer
    x = 43,220.26

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