Home / 73,175.40-109,750.33-20,572.38

Finding the Fourth Proportional to 73,175.40, 109,750.33 and 20,572.38

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Solution

The fourth proportional to 73,175.40, 109,750.33 and 20,572.38 is: 30,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,175.40 : 109,750.33 = 20,572.38 : x
  2. Step 2: Convert to fraction form
    73,175.40/109,750.33 = 20,572.38/x
  3. Step 3: Cross multiply
    73,175.40x = 109,750.33 × 20,572.38
  4. Step 4: Simplify right side
    73,175.40x = 2,257,825,493.89
  5. Step 5: Solve for x
    x = 2,257,825,493.89/73,175.40
  6. Step 6: Final answer
    x = 30,854.98

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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.