Home / 31,638.26-47,453.74-8,266.52

Finding the Fourth Proportional to 31,638.26, 47,453.74 and 8,266.52

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Solution

The fourth proportional to 31,638.26, 47,453.74 and 8,266.52 is: 12,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638.26 : 47,453.74 = 8,266.52 : x
  2. Step 2: Convert to fraction form
    31,638.26/47,453.74 = 8,266.52/x
  3. Step 3: Cross multiply
    31,638.26x = 47,453.74 × 8,266.52
  4. Step 4: Simplify right side
    31,638.26x = 392,277,290.78
  5. Step 5: Solve for x
    x = 392,277,290.78/31,638.26
  6. Step 6: Final answer
    x = 12,398.83

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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.