Home / 38,601.94-57,890.60-19,879.53

Finding the Fourth Proportional to 38,601.94, 57,890.60 and 19,879.53

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Solution

The fourth proportional to 38,601.94, 57,890.60 and 19,879.53 is: 29,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.94 : 57,890.60 = 19,879.53 : x
  2. Step 2: Convert to fraction form
    38,601.94/57,890.60 = 19,879.53/x
  3. Step 3: Cross multiply
    38,601.94x = 57,890.60 × 19,879.53
  4. Step 4: Simplify right side
    38,601.94x = 1,150,837,677.48
  5. Step 5: Solve for x
    x = 1,150,837,677.48/38,601.94
  6. Step 6: Final answer
    x = 29,812.95

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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.