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Finding the Fourth Proportional to 55,551.71, 76,663.30 and 31,358.53

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Solution

The fourth proportional to 55,551.71, 76,663.30 and 31,358.53 is: 43,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551.71 : 76,663.30 = 31,358.53 : x
  2. Step 2: Convert to fraction form
    55,551.71/76,663.30 = 31,358.53/x
  3. Step 3: Cross multiply
    55,551.71x = 76,663.30 × 31,358.53
  4. Step 4: Simplify right side
    55,551.71x = 2,404,048,392.95
  5. Step 5: Solve for x
    x = 2,404,048,392.95/55,551.71
  6. Step 6: Final answer
    x = 43,275.87

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