Home / 38,608.88-53,282.82-21,614.62

Finding the Fourth Proportional to 38,608.88, 53,282.82 and 21,614.62

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Solution

The fourth proportional to 38,608.88, 53,282.82 and 21,614.62 is: 29,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.88 : 53,282.82 = 21,614.62 : x
  2. Step 2: Convert to fraction form
    38,608.88/53,282.82 = 21,614.62/x
  3. Step 3: Cross multiply
    38,608.88x = 53,282.82 × 21,614.62
  4. Step 4: Simplify right side
    38,608.88x = 1,151,687,906.83
  5. Step 5: Solve for x
    x = 1,151,687,906.83/38,608.88
  6. Step 6: Final answer
    x = 29,829.61

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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.