Home / 31,903.38-47,851.41-8,531.64

Finding the Fourth Proportional to 31,903.38, 47,851.41 and 8,531.64

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Solution

The fourth proportional to 31,903.38, 47,851.41 and 8,531.64 is: 12,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.38 : 47,851.41 = 8,531.64 : x
  2. Step 2: Convert to fraction form
    31,903.38/47,851.41 = 8,531.64/x
  3. Step 3: Cross multiply
    31,903.38x = 47,851.41 × 8,531.64
  4. Step 4: Simplify right side
    31,903.38x = 408,250,785.68
  5. Step 5: Solve for x
    x = 408,250,785.68/31,903.38
  6. Step 6: Final answer
    x = 12,796.48

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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.