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Finding the Fourth Proportional to 58,640.50, 80,923.44 and 31,782.32

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Solution

The fourth proportional to 58,640.50, 80,923.44 and 31,782.32 is: 43,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,640.50 : 80,923.44 = 31,782.32 : x
  2. Step 2: Convert to fraction form
    58,640.50/80,923.44 = 31,782.32/x
  3. Step 3: Cross multiply
    58,640.50x = 80,923.44 × 31,782.32
  4. Step 4: Simplify right side
    58,640.50x = 2,571,934,506.67
  5. Step 5: Solve for x
    x = 2,571,934,506.67/58,640.50
  6. Step 6: Final answer
    x = 43,859.35

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