Home / 33,644.05-46,418.28-20,218.30

Finding the Fourth Proportional to 33,644.05, 46,418.28 and 20,218.30

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Solution

The fourth proportional to 33,644.05, 46,418.28 and 20,218.30 is: 27,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,644.05 : 46,418.28 = 20,218.30 : x
  2. Step 2: Convert to fraction form
    33,644.05/46,418.28 = 20,218.30/x
  3. Step 3: Cross multiply
    33,644.05x = 46,418.28 × 20,218.30
  4. Step 4: Simplify right side
    33,644.05x = 938,498,710.52
  5. Step 5: Solve for x
    x = 938,498,710.52/33,644.05
  6. Step 6: Final answer
    x = 27,894.94

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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.