Home / 30,659.44-42,311.97-17,049.01

Finding the Fourth Proportional to 30,659.44, 42,311.97 and 17,049.01

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Solution

The fourth proportional to 30,659.44, 42,311.97 and 17,049.01 is: 23,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.44 : 42,311.97 = 17,049.01 : x
  2. Step 2: Convert to fraction form
    30,659.44/42,311.97 = 17,049.01/x
  3. Step 3: Cross multiply
    30,659.44x = 42,311.97 × 17,049.01
  4. Step 4: Simplify right side
    30,659.44x = 721,377,199.65
  5. Step 5: Solve for x
    x = 721,377,199.65/30,659.44
  6. Step 6: Final answer
    x = 23,528.71

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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.