Home / 31,382.00-47,072.96-8,008.44

Finding the Fourth Proportional to 31,382.00, 47,072.96 and 8,008.44

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Solution

The fourth proportional to 31,382.00, 47,072.96 and 8,008.44 is: 12,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.00 : 47,072.96 = 8,008.44 : x
  2. Step 2: Convert to fraction form
    31,382.00/47,072.96 = 8,008.44/x
  3. Step 3: Cross multiply
    31,382.00x = 47,072.96 × 8,008.44
  4. Step 4: Simplify right side
    31,382.00x = 376,980,789.25
  5. Step 5: Solve for x
    x = 376,980,789.25/31,382.00
  6. Step 6: Final answer
    x = 12,012.64

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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.