Home / 33,758.10-46,587.33-21,189.78

Finding the Fourth Proportional to 33,758.10, 46,587.33 and 21,189.78

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Solution

The fourth proportional to 33,758.10, 46,587.33 and 21,189.78 is: 29,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,758.10 : 46,587.33 = 21,189.78 : x
  2. Step 2: Convert to fraction form
    33,758.10/46,587.33 = 21,189.78/x
  3. Step 3: Cross multiply
    33,758.10x = 46,587.33 × 21,189.78
  4. Step 4: Simplify right side
    33,758.10x = 987,175,273.49
  5. Step 5: Solve for x
    x = 987,175,273.49/33,758.10
  6. Step 6: Final answer
    x = 29,242.62

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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.