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Finding the Fourth Proportional to 55,058.86, 75,986.54 and 30,863.91

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Solution

The fourth proportional to 55,058.86, 75,986.54 and 30,863.91 is: 42,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,058.86 : 75,986.54 = 30,863.91 : x
  2. Step 2: Convert to fraction form
    55,058.86/75,986.54 = 30,863.91/x
  3. Step 3: Cross multiply
    55,058.86x = 75,986.54 × 30,863.91
  4. Step 4: Simplify right side
    55,058.86x = 2,345,241,731.77
  5. Step 5: Solve for x
    x = 2,345,241,731.77/55,058.86
  6. Step 6: Final answer
    x = 42,595.17

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