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Finding the Fourth Proportional to 55,407.88, 76,464.90 and 31,536.52

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Solution

The fourth proportional to 55,407.88, 76,464.90 and 31,536.52 is: 43,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,407.88 : 76,464.90 = 31,536.52 : x
  2. Step 2: Convert to fraction form
    55,407.88/76,464.90 = 31,536.52/x
  3. Step 3: Cross multiply
    55,407.88x = 76,464.90 × 31,536.52
  4. Step 4: Simplify right side
    55,407.88x = 2,411,436,848.15
  5. Step 5: Solve for x
    x = 2,411,436,848.15/55,407.88
  6. Step 6: Final answer
    x = 43,521.55

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