Home / 31,918.62-44,048.70-19,174.08

Finding the Fourth Proportional to 31,918.62, 44,048.70 and 19,174.08

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Solution

The fourth proportional to 31,918.62, 44,048.70 and 19,174.08 is: 26,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,918.62 : 44,048.70 = 19,174.08 : x
  2. Step 2: Convert to fraction form
    31,918.62/44,048.70 = 19,174.08/x
  3. Step 3: Cross multiply
    31,918.62x = 44,048.70 × 19,174.08
  4. Step 4: Simplify right side
    31,918.62x = 844,593,297.70
  5. Step 5: Solve for x
    x = 844,593,297.70/31,918.62
  6. Step 6: Final answer
    x = 26,460.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.