Home / 38,745.66-58,128.24-11,043.66

Finding the Fourth Proportional to 38,745.66, 58,128.24 and 11,043.66

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Solution

The fourth proportional to 38,745.66, 58,128.24 and 11,043.66 is: 16,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.66 : 58,128.24 = 11,043.66 : x
  2. Step 2: Convert to fraction form
    38,745.66/58,128.24 = 11,043.66/x
  3. Step 3: Cross multiply
    38,745.66x = 58,128.24 × 11,043.66
  4. Step 4: Simplify right side
    38,745.66x = 641,948,518.96
  5. Step 5: Solve for x
    x = 641,948,518.96/38,745.66
  6. Step 6: Final answer
    x = 16,568.27

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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.