Home / 31,896.43-47,847.09-9,711.70

Finding the Fourth Proportional to 31,896.43, 47,847.09 and 9,711.70

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Solution

The fourth proportional to 31,896.43, 47,847.09 and 9,711.70 is: 14,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,896.43 : 47,847.09 = 9,711.70 : x
  2. Step 2: Convert to fraction form
    31,896.43/47,847.09 = 9,711.70/x
  3. Step 3: Cross multiply
    31,896.43x = 47,847.09 × 9,711.70
  4. Step 4: Simplify right side
    31,896.43x = 464,676,583.95
  5. Step 5: Solve for x
    x = 464,676,583.95/31,896.43
  6. Step 6: Final answer
    x = 14,568.29

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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.