Home / 31,778.78-47,668.46-9,592.34

Finding the Fourth Proportional to 31,778.78, 47,668.46 and 9,592.34

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Solution

The fourth proportional to 31,778.78, 47,668.46 and 9,592.34 is: 14,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.78 : 47,668.46 = 9,592.34 : x
  2. Step 2: Convert to fraction form
    31,778.78/47,668.46 = 9,592.34/x
  3. Step 3: Cross multiply
    31,778.78x = 47,668.46 × 9,592.34
  4. Step 4: Simplify right side
    31,778.78x = 457,251,789.29
  5. Step 5: Solve for x
    x = 457,251,789.29/31,778.78
  6. Step 6: Final answer
    x = 14,388.59

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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.