Home / 38,788.74-58,183.11-12,493.98

Finding the Fourth Proportional to 38,788.74, 58,183.11 and 12,493.98

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Solution

The fourth proportional to 38,788.74, 58,183.11 and 12,493.98 is: 18,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.74 : 58,183.11 = 12,493.98 : x
  2. Step 2: Convert to fraction form
    38,788.74/58,183.11 = 12,493.98/x
  3. Step 3: Cross multiply
    38,788.74x = 58,183.11 × 12,493.98
  4. Step 4: Simplify right side
    38,788.74x = 726,938,612.68
  5. Step 5: Solve for x
    x = 726,938,612.68/38,788.74
  6. Step 6: Final answer
    x = 18,740.97

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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.