Home / 52,787.12-72,846.72-30,431.12

Finding the Fourth Proportional to 52,787.12, 72,846.72 and 30,431.12

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Solution

The fourth proportional to 52,787.12, 72,846.72 and 30,431.12 is: 41,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.12 : 72,846.72 = 30,431.12 : x
  2. Step 2: Convert to fraction form
    52,787.12/72,846.72 = 30,431.12/x
  3. Step 3: Cross multiply
    52,787.12x = 72,846.72 × 30,431.12
  4. Step 4: Simplify right side
    52,787.12x = 2,216,807,277.93
  5. Step 5: Solve for x
    x = 2,216,807,277.93/52,787.12
  6. Step 6: Final answer
    x = 41,995.23

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