Home / 69,821.67-104,748.91-19,902.49

Finding the Fourth Proportional to 69,821.67, 104,748.91 and 19,902.49

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Solution

The fourth proportional to 69,821.67, 104,748.91 and 19,902.49 is: 29,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.67 : 104,748.91 = 19,902.49 : x
  2. Step 2: Convert to fraction form
    69,821.67/104,748.91 = 19,902.49/x
  3. Step 3: Cross multiply
    69,821.67x = 104,748.91 × 19,902.49
  4. Step 4: Simplify right side
    69,821.67x = 2,084,763,822.16
  5. Step 5: Solve for x
    x = 2,084,763,822.16/69,821.67
  6. Step 6: Final answer
    x = 29,858.41

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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.