Home / 38,493.55-57,741.94-18,788.68

Finding the Fourth Proportional to 38,493.55, 57,741.94 and 18,788.68

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Solution

The fourth proportional to 38,493.55, 57,741.94 and 18,788.68 is: 28,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493.55 : 57,741.94 = 18,788.68 : x
  2. Step 2: Convert to fraction form
    38,493.55/57,741.94 = 18,788.68/x
  3. Step 3: Cross multiply
    38,493.55x = 57,741.94 × 18,788.68
  4. Step 4: Simplify right side
    38,493.55x = 1,084,894,450.59
  5. Step 5: Solve for x
    x = 1,084,894,450.59/38,493.55
  6. Step 6: Final answer
    x = 28,183.80

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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.