Home / 31,836.54-47,756.84-10,778.70

Finding the Fourth Proportional to 31,836.54, 47,756.84 and 10,778.70

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Solution

The fourth proportional to 31,836.54, 47,756.84 and 10,778.70 is: 16,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.54 : 47,756.84 = 10,778.70 : x
  2. Step 2: Convert to fraction form
    31,836.54/47,756.84 = 10,778.70/x
  3. Step 3: Cross multiply
    31,836.54x = 47,756.84 × 10,778.70
  4. Step 4: Simplify right side
    31,836.54x = 514,756,651.31
  5. Step 5: Solve for x
    x = 514,756,651.31/31,836.54
  6. Step 6: Final answer
    x = 16,168.74

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