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Finding the Fourth Proportional to 58,056.87, 80,142.98 and 39,219.51

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Solution

The fourth proportional to 58,056.87, 80,142.98 and 39,219.51 is: 54,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,056.87 : 80,142.98 = 39,219.51 : x
  2. Step 2: Convert to fraction form
    58,056.87/80,142.98 = 39,219.51/x
  3. Step 3: Cross multiply
    58,056.87x = 80,142.98 × 39,219.51
  4. Step 4: Simplify right side
    58,056.87x = 3,143,168,209.44
  5. Step 5: Solve for x
    x = 3,143,168,209.44/58,056.87
  6. Step 6: Final answer
    x = 54,139.47

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