Home / 33,326.35-45,990.46-18,219.19

Finding the Fourth Proportional to 33,326.35, 45,990.46 and 18,219.19

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Solution

The fourth proportional to 33,326.35, 45,990.46 and 18,219.19 is: 25,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.35 : 45,990.46 = 18,219.19 : x
  2. Step 2: Convert to fraction form
    33,326.35/45,990.46 = 18,219.19/x
  3. Step 3: Cross multiply
    33,326.35x = 45,990.46 × 18,219.19
  4. Step 4: Simplify right side
    33,326.35x = 837,908,928.93
  5. Step 5: Solve for x
    x = 837,908,928.93/33,326.35
  6. Step 6: Final answer
    x = 25,142.54

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Half scale
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Double scale
Find fourth proportional to 33,327.35, 45,991.84 and 18,220.19
Similar ratio
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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.