Home / 38,608.38-53,277.75-21,838.14

Finding the Fourth Proportional to 38,608.38, 53,277.75 and 21,838.14

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Solution

The fourth proportional to 38,608.38, 53,277.75 and 21,838.14 is: 30,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.38 : 53,277.75 = 21,838.14 : x
  2. Step 2: Convert to fraction form
    38,608.38/53,277.75 = 21,838.14/x
  3. Step 3: Cross multiply
    38,608.38x = 53,277.75 × 21,838.14
  4. Step 4: Simplify right side
    38,608.38x = 1,163,486,963.39
  5. Step 5: Solve for x
    x = 1,163,486,963.39/38,608.38
  6. Step 6: Final answer
    x = 30,135.61

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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.