Home / 30,117.21-41,596.62-20,028.15

Finding the Fourth Proportional to 30,117.21, 41,596.62 and 20,028.15

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Solution

The fourth proportional to 30,117.21, 41,596.62 and 20,028.15 is: 27,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.21 : 41,596.62 = 20,028.15 : x
  2. Step 2: Convert to fraction form
    30,117.21/41,596.62 = 20,028.15/x
  3. Step 3: Cross multiply
    30,117.21x = 41,596.62 × 20,028.15
  4. Step 4: Simplify right side
    30,117.21x = 833,103,344.85
  5. Step 5: Solve for x
    x = 833,103,344.85/30,117.21
  6. Step 6: Final answer
    x = 27,662.04

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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.