Home / 41,972.89-62,961.79-11,984.82

Finding the Fourth Proportional to 41,972.89, 62,961.79 and 11,984.82

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Solution

The fourth proportional to 41,972.89, 62,961.79 and 11,984.82 is: 17,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,972.89 : 62,961.79 = 11,984.82 : x
  2. Step 2: Convert to fraction form
    41,972.89/62,961.79 = 11,984.82/x
  3. Step 3: Cross multiply
    41,972.89x = 62,961.79 × 11,984.82
  4. Step 4: Simplify right side
    41,972.89x = 754,585,476.43
  5. Step 5: Solve for x
    x = 754,585,476.43/41,972.89
  6. Step 6: Final answer
    x = 17,977.93

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1.5x scale

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.