Home / 74,338.38-111,529.44-29,942.28

Finding the Fourth Proportional to 74,338.38, 111,529.44 and 29,942.28

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Solution

The fourth proportional to 74,338.38, 111,529.44 and 29,942.28 is: 44,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,338.38 : 111,529.44 = 29,942.28 : x
  2. Step 2: Convert to fraction form
    74,338.38/111,529.44 = 29,942.28/x
  3. Step 3: Cross multiply
    74,338.38x = 111,529.44 × 29,942.28
  4. Step 4: Simplify right side
    74,338.38x = 3,339,445,720.72
  5. Step 5: Solve for x
    x = 3,339,445,720.72/74,338.38
  6. Step 6: Final answer
    x = 44,922.23

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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.