Home / 38,084.82-57,135.57-11,429.70

Finding the Fourth Proportional to 38,084.82, 57,135.57 and 11,429.70

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Solution

The fourth proportional to 38,084.82, 57,135.57 and 11,429.70 is: 17,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,084.82 : 57,135.57 = 11,429.70 : x
  2. Step 2: Convert to fraction form
    38,084.82/57,135.57 = 11,429.70/x
  3. Step 3: Cross multiply
    38,084.82x = 57,135.57 × 11,429.70
  4. Step 4: Simplify right side
    38,084.82x = 653,042,424.43
  5. Step 5: Solve for x
    x = 653,042,424.43/38,084.82
  6. Step 6: Final answer
    x = 17,147.05

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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.