Home / 29,540.12-40,767.78-16,797.30

Finding the Fourth Proportional to 29,540.12, 40,767.78 and 16,797.30

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Solution

The fourth proportional to 29,540.12, 40,767.78 and 16,797.30 is: 23,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,540.12 : 40,767.78 = 16,797.30 : x
  2. Step 2: Convert to fraction form
    29,540.12/40,767.78 = 16,797.30/x
  3. Step 3: Cross multiply
    29,540.12x = 40,767.78 × 16,797.30
  4. Step 4: Simplify right side
    29,540.12x = 684,788,630.99
  5. Step 5: Solve for x
    x = 684,788,630.99/29,540.12
  6. Step 6: Final answer
    x = 23,181.65

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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.