Home / 31,676.27-47,514.60-8,302.50

Finding the Fourth Proportional to 31,676.27, 47,514.60 and 8,302.50

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Solution

The fourth proportional to 31,676.27, 47,514.60 and 8,302.50 is: 12,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676.27 : 47,514.60 = 8,302.50 : x
  2. Step 2: Convert to fraction form
    31,676.27/47,514.60 = 8,302.50/x
  3. Step 3: Cross multiply
    31,676.27x = 47,514.60 × 8,302.50
  4. Step 4: Simplify right side
    31,676.27x = 394,489,966.50
  5. Step 5: Solve for x
    x = 394,489,966.50/31,676.27
  6. Step 6: Final answer
    x = 12,453.80

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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.