Home / 30,236.82-41,727.12-16,808.64

Finding the Fourth Proportional to 30,236.82, 41,727.12 and 16,808.64

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Solution

The fourth proportional to 30,236.82, 41,727.12 and 16,808.64 is: 23,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.82 : 41,727.12 = 16,808.64 : x
  2. Step 2: Convert to fraction form
    30,236.82/41,727.12 = 16,808.64/x
  3. Step 3: Cross multiply
    30,236.82x = 41,727.12 × 16,808.64
  4. Step 4: Simplify right side
    30,236.82x = 701,376,138.32
  5. Step 5: Solve for x
    x = 701,376,138.32/30,236.82
  6. Step 6: Final answer
    x = 23,196.09

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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.