Home / 39,498.13-54,507.33-21,593.09

Finding the Fourth Proportional to 39,498.13, 54,507.33 and 21,593.09

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Solution

The fourth proportional to 39,498.13, 54,507.33 and 21,593.09 is: 29,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,498.13 : 54,507.33 = 21,593.09 : x
  2. Step 2: Convert to fraction form
    39,498.13/54,507.33 = 21,593.09/x
  3. Step 3: Cross multiply
    39,498.13x = 54,507.33 × 21,593.09
  4. Step 4: Simplify right side
    39,498.13x = 1,176,981,895.27
  5. Step 5: Solve for x
    x = 1,176,981,895.27/39,498.13
  6. Step 6: Final answer
    x = 29,798.42

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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.