Home / 33,665.25-50,497.88-12,888.75

Finding the Fourth Proportional to 33,665.25, 50,497.88 and 12,888.75

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Solution

The fourth proportional to 33,665.25, 50,497.88 and 12,888.75 is: 19,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,665.25 : 50,497.88 = 12,888.75 : x
  2. Step 2: Convert to fraction form
    33,665.25/50,497.88 = 12,888.75/x
  3. Step 3: Cross multiply
    33,665.25x = 50,497.88 × 12,888.75
  4. Step 4: Simplify right side
    33,665.25x = 650,854,486.41
  5. Step 5: Solve for x
    x = 650,854,486.41/33,665.25
  6. Step 6: Final answer
    x = 19,333.13

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.