Home / 33,309.62-45,945.51-21,354.02

Finding the Fourth Proportional to 33,309.62, 45,945.51 and 21,354.02

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Solution

The fourth proportional to 33,309.62, 45,945.51 and 21,354.02 is: 29,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.62 : 45,945.51 = 21,354.02 : x
  2. Step 2: Convert to fraction form
    33,309.62/45,945.51 = 21,354.02/x
  3. Step 3: Cross multiply
    33,309.62x = 45,945.51 × 21,354.02
  4. Step 4: Simplify right side
    33,309.62x = 981,121,339.45
  5. Step 5: Solve for x
    x = 981,121,339.45/33,309.62
  6. Step 6: Final answer
    x = 29,454.59

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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.