Home / 38,161.71-52,661.07-21,163.86

Finding the Fourth Proportional to 38,161.71, 52,661.07 and 21,163.86

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Solution

The fourth proportional to 38,161.71, 52,661.07 and 21,163.86 is: 29,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,161.71 : 52,661.07 = 21,163.86 : x
  2. Step 2: Convert to fraction form
    38,161.71/52,661.07 = 21,163.86/x
  3. Step 3: Cross multiply
    38,161.71x = 52,661.07 × 21,163.86
  4. Step 4: Simplify right side
    38,161.71x = 1,114,511,512.93
  5. Step 5: Solve for x
    x = 1,114,511,512.93/38,161.71
  6. Step 6: Final answer
    x = 29,204.97

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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.