Home / 38,081.39-57,124.21-11,784.08

Finding the Fourth Proportional to 38,081.39, 57,124.21 and 11,784.08

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Solution

The fourth proportional to 38,081.39, 57,124.21 and 11,784.08 is: 17,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.39 : 57,124.21 = 11,784.08 : x
  2. Step 2: Convert to fraction form
    38,081.39/57,124.21 = 11,784.08/x
  3. Step 3: Cross multiply
    38,081.39x = 57,124.21 × 11,784.08
  4. Step 4: Simplify right side
    38,081.39x = 673,156,260.58
  5. Step 5: Solve for x
    x = 673,156,260.58/38,081.39
  6. Step 6: Final answer
    x = 17,676.78

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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.