Home / 38,836.35-53,593.65-21,843.39

Finding the Fourth Proportional to 38,836.35, 53,593.65 and 21,843.39

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Solution

The fourth proportional to 38,836.35, 53,593.65 and 21,843.39 is: 30,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836.35 : 53,593.65 = 21,843.39 : x
  2. Step 2: Convert to fraction form
    38,836.35/53,593.65 = 21,843.39/x
  3. Step 3: Cross multiply
    38,836.35x = 53,593.65 × 21,843.39
  4. Step 4: Simplify right side
    38,836.35x = 1,170,666,998.47
  5. Step 5: Solve for x
    x = 1,170,666,998.47/38,836.35
  6. Step 6: Final answer
    x = 30,143.59

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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.