Home / 38,878.17-58,305.51-10,791.42

Finding the Fourth Proportional to 38,878.17, 58,305.51 and 10,791.42

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Solution

The fourth proportional to 38,878.17, 58,305.51 and 10,791.42 is: 16,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,878.17 : 58,305.51 = 10,791.42 : x
  2. Step 2: Convert to fraction form
    38,878.17/58,305.51 = 10,791.42/x
  3. Step 3: Cross multiply
    38,878.17x = 58,305.51 × 10,791.42
  4. Step 4: Simplify right side
    38,878.17x = 629,199,246.72
  5. Step 5: Solve for x
    x = 629,199,246.72/38,878.17
  6. Step 6: Final answer
    x = 16,183.87

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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.