Home / 31,125.15-42,952.19-16,977.96

Finding the Fourth Proportional to 31,125.15, 42,952.19 and 16,977.96

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Solution

The fourth proportional to 31,125.15, 42,952.19 and 16,977.96 is: 23,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.15 : 42,952.19 = 16,977.96 : x
  2. Step 2: Convert to fraction form
    31,125.15/42,952.19 = 16,977.96/x
  3. Step 3: Cross multiply
    31,125.15x = 42,952.19 × 16,977.96
  4. Step 4: Simplify right side
    31,125.15x = 729,240,478.84
  5. Step 5: Solve for x
    x = 729,240,478.84/31,125.15
  6. Step 6: Final answer
    x = 23,429.30

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