Home / 29,408.94-40,580.19-20,933.10

Finding the Fourth Proportional to 29,408.94, 40,580.19 and 20,933.10

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Solution

The fourth proportional to 29,408.94, 40,580.19 and 20,933.10 is: 28,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,408.94 : 40,580.19 = 20,933.10 : x
  2. Step 2: Convert to fraction form
    29,408.94/40,580.19 = 20,933.10/x
  3. Step 3: Cross multiply
    29,408.94x = 40,580.19 × 20,933.10
  4. Step 4: Simplify right side
    29,408.94x = 849,469,175.29
  5. Step 5: Solve for x
    x = 849,469,175.29/29,408.94
  6. Step 6: Final answer
    x = 28,884.73

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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.