Home / 38,590.40-57,794.87-18,806.96

Finding the Fourth Proportional to 38,590.40, 57,794.87 and 18,806.96

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Solution

The fourth proportional to 38,590.40, 57,794.87 and 18,806.96 is: 28,166.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.40 : 57,794.87 = 18,806.96 : x
  2. Step 2: Convert to fraction form
    38,590.40/57,794.87 = 18,806.96/x
  3. Step 3: Cross multiply
    38,590.40x = 57,794.87 × 18,806.96
  4. Step 4: Simplify right side
    38,590.40x = 1,086,945,425.29
  5. Step 5: Solve for x
    x = 1,086,945,425.29/38,590.40
  6. Step 6: Final answer
    x = 28,166.22

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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.