Home / 63,578.05-95,380.22-20,886.71

Finding the Fourth Proportional to 63,578.05, 95,380.22 and 20,886.71

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Solution

The fourth proportional to 63,578.05, 95,380.22 and 20,886.71 is: 31,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,578.05 : 95,380.22 = 20,886.71 : x
  2. Step 2: Convert to fraction form
    63,578.05/95,380.22 = 20,886.71/x
  3. Step 3: Cross multiply
    63,578.05x = 95,380.22 × 20,886.71
  4. Step 4: Simplify right side
    63,578.05x = 1,992,179,207.22
  5. Step 5: Solve for x
    x = 1,992,179,207.22/63,578.05
  6. Step 6: Final answer
    x = 31,334.39

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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.