Home / 31,668.22-47,500.44-9,481.78

Finding the Fourth Proportional to 31,668.22, 47,500.44 and 9,481.78

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Solution

The fourth proportional to 31,668.22, 47,500.44 and 9,481.78 is: 14,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.22 : 47,500.44 = 9,481.78 : x
  2. Step 2: Convert to fraction form
    31,668.22/47,500.44 = 9,481.78/x
  3. Step 3: Cross multiply
    31,668.22x = 47,500.44 × 9,481.78
  4. Step 4: Simplify right side
    31,668.22x = 450,388,721.98
  5. Step 5: Solve for x
    x = 450,388,721.98/31,668.22
  6. Step 6: Final answer
    x = 14,222.10

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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.