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Finding the Fourth Proportional to 30,967.96, 42,738.60 and 17,545.36

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Solution

The fourth proportional to 30,967.96, 42,738.60 and 17,545.36 is: 24,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,967.96 : 42,738.60 = 17,545.36 : x
  2. Step 2: Convert to fraction form
    30,967.96/42,738.60 = 17,545.36/x
  3. Step 3: Cross multiply
    30,967.96x = 42,738.60 × 17,545.36
  4. Step 4: Simplify right side
    30,967.96x = 749,864,122.90
  5. Step 5: Solve for x
    x = 749,864,122.90/30,967.96
  6. Step 6: Final answer
    x = 24,214.19

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