Home / 30,005.23-41,408.03-17,912.73

Finding the Fourth Proportional to 30,005.23, 41,408.03 and 17,912.73

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Solution

The fourth proportional to 30,005.23, 41,408.03 and 17,912.73 is: 24,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.23 : 41,408.03 = 17,912.73 : x
  2. Step 2: Convert to fraction form
    30,005.23/41,408.03 = 17,912.73/x
  3. Step 3: Cross multiply
    30,005.23x = 41,408.03 × 17,912.73
  4. Step 4: Simplify right side
    30,005.23x = 741,730,861.22
  5. Step 5: Solve for x
    x = 741,730,861.22/30,005.23
  6. Step 6: Final answer
    x = 24,720.05

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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.