Home / 33,288.48-45,921.87-19,855.44

Finding the Fourth Proportional to 33,288.48, 45,921.87 and 19,855.44

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Solution

The fourth proportional to 33,288.48, 45,921.87 and 19,855.44 is: 27,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,288.48 : 45,921.87 = 19,855.44 : x
  2. Step 2: Convert to fraction form
    33,288.48/45,921.87 = 19,855.44/x
  3. Step 3: Cross multiply
    33,288.48x = 45,921.87 × 19,855.44
  4. Step 4: Simplify right side
    33,288.48x = 911,798,934.47
  5. Step 5: Solve for x
    x = 911,798,934.47/33,288.48
  6. Step 6: Final answer
    x = 27,390.83

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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.