Home / 34,135.82-47,107.52-19,798.41

Finding the Fourth Proportional to 34,135.82, 47,107.52 and 19,798.41

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Solution

The fourth proportional to 34,135.82, 47,107.52 and 19,798.41 is: 27,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,135.82 : 47,107.52 = 19,798.41 : x
  2. Step 2: Convert to fraction form
    34,135.82/47,107.52 = 19,798.41/x
  3. Step 3: Cross multiply
    34,135.82x = 47,107.52 × 19,798.41
  4. Step 4: Simplify right side
    34,135.82x = 932,654,044.54
  5. Step 5: Solve for x
    x = 932,654,044.54/34,135.82
  6. Step 6: Final answer
    x = 27,321.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.