Home / 74,273.80-111,379.38-31,561.96

Finding the Fourth Proportional to 74,273.80, 111,379.38 and 31,561.96

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Solution

The fourth proportional to 74,273.80, 111,379.38 and 31,561.96 is: 47,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.80 : 111,379.38 = 31,561.96 : x
  2. Step 2: Convert to fraction form
    74,273.80/111,379.38 = 31,561.96/x
  3. Step 3: Cross multiply
    74,273.80x = 111,379.38 × 31,561.96
  4. Step 4: Simplify right side
    74,273.80x = 3,515,351,536.38
  5. Step 5: Solve for x
    x = 3,515,351,536.38/74,273.80
  6. Step 6: Final answer
    x = 47,329.63

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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.