Home / 39,514.97-54,530.66-21,609.97

Finding the Fourth Proportional to 39,514.97, 54,530.66 and 21,609.97

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Solution

The fourth proportional to 39,514.97, 54,530.66 and 21,609.97 is: 29,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,514.97 : 54,530.66 = 21,609.97 : x
  2. Step 2: Convert to fraction form
    39,514.97/54,530.66 = 21,609.97/x
  3. Step 3: Cross multiply
    39,514.97x = 54,530.66 × 21,609.97
  4. Step 4: Simplify right side
    39,514.97x = 1,178,406,022.09
  5. Step 5: Solve for x
    x = 1,178,406,022.09/39,514.97
  6. Step 6: Final answer
    x = 29,821.76

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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.