Home / 38,557.78-57,836.73-10,855.78

Finding the Fourth Proportional to 38,557.78, 57,836.73 and 10,855.78

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Solution

The fourth proportional to 38,557.78, 57,836.73 and 10,855.78 is: 16,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.78 : 57,836.73 = 10,855.78 : x
  2. Step 2: Convert to fraction form
    38,557.78/57,836.73 = 10,855.78/x
  3. Step 3: Cross multiply
    38,557.78x = 57,836.73 × 10,855.78
  4. Step 4: Simplify right side
    38,557.78x = 627,862,816.80
  5. Step 5: Solve for x
    x = 627,862,816.80/38,557.78
  6. Step 6: Final answer
    x = 16,283.69

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Similar ratio
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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.