Home / 35,961.48-49,631.70-21,812.04

Finding the Fourth Proportional to 35,961.48, 49,631.70 and 21,812.04

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Solution

The fourth proportional to 35,961.48, 49,631.70 and 21,812.04 is: 30,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,961.48 : 49,631.70 = 21,812.04 : x
  2. Step 2: Convert to fraction form
    35,961.48/49,631.70 = 21,812.04/x
  3. Step 3: Cross multiply
    35,961.48x = 49,631.70 × 21,812.04
  4. Step 4: Simplify right side
    35,961.48x = 1,082,568,625.67
  5. Step 5: Solve for x
    x = 1,082,568,625.67/35,961.48
  6. Step 6: Final answer
    x = 30,103.56

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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.