Home / 38,619.72-57,917.34-19,893.96

Finding the Fourth Proportional to 38,619.72, 57,917.34 and 19,893.96

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Solution

The fourth proportional to 38,619.72, 57,917.34 and 19,893.96 is: 29,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,619.72 : 57,917.34 = 19,893.96 : x
  2. Step 2: Convert to fraction form
    38,619.72/57,917.34 = 19,893.96/x
  3. Step 3: Cross multiply
    38,619.72x = 57,917.34 × 19,893.96
  4. Step 4: Simplify right side
    38,619.72x = 1,152,205,245.27
  5. Step 5: Solve for x
    x = 1,152,205,245.27/38,619.72
  6. Step 6: Final answer
    x = 29,834.63

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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.