Home / 31,964.37-47,951.94-9,772.55

Finding the Fourth Proportional to 31,964.37, 47,951.94 and 9,772.55

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Solution

The fourth proportional to 31,964.37, 47,951.94 and 9,772.55 is: 14,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.37 : 47,951.94 = 9,772.55 : x
  2. Step 2: Convert to fraction form
    31,964.37/47,951.94 = 9,772.55/x
  3. Step 3: Cross multiply
    31,964.37x = 47,951.94 × 9,772.55
  4. Step 4: Simplify right side
    31,964.37x = 468,612,491.49
  5. Step 5: Solve for x
    x = 468,612,491.49/31,964.37
  6. Step 6: Final answer
    x = 14,660.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.