Home / 33,021.10-45,545.79-19,581.58

Finding the Fourth Proportional to 33,021.10, 45,545.79 and 19,581.58

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Solution

The fourth proportional to 33,021.10, 45,545.79 and 19,581.58 is: 27,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.10 : 45,545.79 = 19,581.58 : x
  2. Step 2: Convert to fraction form
    33,021.10/45,545.79 = 19,581.58/x
  3. Step 3: Cross multiply
    33,021.10x = 45,545.79 × 19,581.58
  4. Step 4: Simplify right side
    33,021.10x = 891,858,530.55
  5. Step 5: Solve for x
    x = 891,858,530.55/33,021.10
  6. Step 6: Final answer
    x = 27,008.75

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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.