Home / 39,792.33-54,911.34-21,883.82

Finding the Fourth Proportional to 39,792.33, 54,911.34 and 21,883.82

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Solution

The fourth proportional to 39,792.33, 54,911.34 and 21,883.82 is: 30,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,792.33 : 54,911.34 = 21,883.82 : x
  2. Step 2: Convert to fraction form
    39,792.33/54,911.34 = 21,883.82/x
  3. Step 3: Cross multiply
    39,792.33x = 54,911.34 × 21,883.82
  4. Step 4: Simplify right side
    39,792.33x = 1,201,669,605.96
  5. Step 5: Solve for x
    x = 1,201,669,605.96/39,792.33
  6. Step 6: Final answer
    x = 30,198.52

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1.5x scale

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.