Home / 31,743.48-47,610.36-8,371.74

Finding the Fourth Proportional to 31,743.48, 47,610.36 and 8,371.74

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Solution

The fourth proportional to 31,743.48, 47,610.36 and 8,371.74 is: 12,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.48 : 47,610.36 = 8,371.74 : x
  2. Step 2: Convert to fraction form
    31,743.48/47,610.36 = 8,371.74/x
  3. Step 3: Cross multiply
    31,743.48x = 47,610.36 × 8,371.74
  4. Step 4: Simplify right side
    31,743.48x = 398,581,555.23
  5. Step 5: Solve for x
    x = 398,581,555.23/31,743.48
  6. Step 6: Final answer
    x = 12,556.33

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1.5x scale

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.