Home / 38,115.39-52,592.16-21,348.39

Finding the Fourth Proportional to 38,115.39, 52,592.16 and 21,348.39

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Solution

The fourth proportional to 38,115.39, 52,592.16 and 21,348.39 is: 29,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.39 : 52,592.16 = 21,348.39 : x
  2. Step 2: Convert to fraction form
    38,115.39/52,592.16 = 21,348.39/x
  3. Step 3: Cross multiply
    38,115.39x = 52,592.16 × 21,348.39
  4. Step 4: Simplify right side
    38,115.39x = 1,122,757,942.62
  5. Step 5: Solve for x
    x = 1,122,757,942.62/38,115.39
  6. Step 6: Final answer
    x = 29,456.81

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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.