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Finding the Fourth Proportional to 63,141, 94,715.69 and 21,019.38

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Solution

The fourth proportional to 63,141, 94,715.69 and 21,019.38 is: 31,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,141 : 94,715.69 = 21,019.38 : x
  2. Step 2: Convert to fraction form
    63,141/94,715.69 = 21,019.38/x
  3. Step 3: Cross multiply
    63,141x = 94,715.69 × 21,019.38
  4. Step 4: Simplify right side
    63,141x = 1,990,864,974.98
  5. Step 5: Solve for x
    x = 1,990,864,974.98/63,141
  6. Step 6: Final answer
    x = 31,530.46

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