Home / 33,105.45-45,686.41-17,999.13

Finding the Fourth Proportional to 33,105.45, 45,686.41 and 17,999.13

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Solution

The fourth proportional to 33,105.45, 45,686.41 and 17,999.13 is: 24,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,105.45 : 45,686.41 = 17,999.13 : x
  2. Step 2: Convert to fraction form
    33,105.45/45,686.41 = 17,999.13/x
  3. Step 3: Cross multiply
    33,105.45x = 45,686.41 × 17,999.13
  4. Step 4: Simplify right side
    33,105.45x = 822,315,759.15
  5. Step 5: Solve for x
    x = 822,315,759.15/33,105.45
  6. Step 6: Final answer
    x = 24,839.28

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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.