Home / 38,620.43-57,922.52-10,911.95

Finding the Fourth Proportional to 38,620.43, 57,922.52 and 10,911.95

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Solution

The fourth proportional to 38,620.43, 57,922.52 and 10,911.95 is: 16,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.43 : 57,922.52 = 10,911.95 : x
  2. Step 2: Convert to fraction form
    38,620.43/57,922.52 = 10,911.95/x
  3. Step 3: Cross multiply
    38,620.43x = 57,922.52 × 10,911.95
  4. Step 4: Simplify right side
    38,620.43x = 632,047,297.94
  5. Step 5: Solve for x
    x = 632,047,297.94/38,620.43
  6. Step 6: Final answer
    x = 16,365.62

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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.