Home / 38,849.26-53,616.72-21,854.22

Finding the Fourth Proportional to 38,849.26, 53,616.72 and 21,854.22

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Solution

The fourth proportional to 38,849.26, 53,616.72 and 21,854.22 is: 30,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,849.26 : 53,616.72 = 21,854.22 : x
  2. Step 2: Convert to fraction form
    38,849.26/53,616.72 = 21,854.22/x
  3. Step 3: Cross multiply
    38,849.26x = 53,616.72 × 21,854.22
  4. Step 4: Simplify right side
    38,849.26x = 1,171,751,311.54
  5. Step 5: Solve for x
    x = 1,171,751,311.54/38,849.26
  6. Step 6: Final answer
    x = 30,161.49

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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.