Home / 33,135.88-45,727.48-18,996.92

Finding the Fourth Proportional to 33,135.88, 45,727.48 and 18,996.92

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Solution

The fourth proportional to 33,135.88, 45,727.48 and 18,996.92 is: 26,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.88 : 45,727.48 = 18,996.92 : x
  2. Step 2: Convert to fraction form
    33,135.88/45,727.48 = 18,996.92/x
  3. Step 3: Cross multiply
    33,135.88x = 45,727.48 × 18,996.92
  4. Step 4: Simplify right side
    33,135.88x = 868,681,279.36
  5. Step 5: Solve for x
    x = 868,681,279.36/33,135.88
  6. Step 6: Final answer
    x = 26,215.73

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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.