Home / 33,106.10-45,687.32-17,999.78

Finding the Fourth Proportional to 33,106.10, 45,687.32 and 17,999.78

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Solution

The fourth proportional to 33,106.10, 45,687.32 and 17,999.78 is: 24,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,106.10 : 45,687.32 = 17,999.78 : x
  2. Step 2: Convert to fraction form
    33,106.10/45,687.32 = 17,999.78/x
  3. Step 3: Cross multiply
    33,106.10x = 45,687.32 × 17,999.78
  4. Step 4: Simplify right side
    33,106.10x = 822,361,390.35
  5. Step 5: Solve for x
    x = 822,361,390.35/33,106.10
  6. Step 6: Final answer
    x = 24,840.18

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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.