Home / 38,142.39-57,172.03-32,578.86

Finding the Fourth Proportional to 38,142.39, 57,172.03 and 32,578.86

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Solution

The fourth proportional to 38,142.39, 57,172.03 and 32,578.86 is: 48,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.39 : 57,172.03 = 32,578.86 : x
  2. Step 2: Convert to fraction form
    38,142.39/57,172.03 = 32,578.86/x
  3. Step 3: Cross multiply
    38,142.39x = 57,172.03 × 32,578.86
  4. Step 4: Simplify right side
    38,142.39x = 1,862,599,372.64
  5. Step 5: Solve for x
    x = 1,862,599,372.64/38,142.39
  6. Step 6: Final answer
    x = 48,832.79

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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.