Home / 30,153.42-41,608.92-16,724.43

Finding the Fourth Proportional to 30,153.42, 41,608.92 and 16,724.43

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Solution

The fourth proportional to 30,153.42, 41,608.92 and 16,724.43 is: 23,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.42 : 41,608.92 = 16,724.43 : x
  2. Step 2: Convert to fraction form
    30,153.42/41,608.92 = 16,724.43/x
  3. Step 3: Cross multiply
    30,153.42x = 41,608.92 × 16,724.43
  4. Step 4: Simplify right side
    30,153.42x = 695,885,469.92
  5. Step 5: Solve for x
    x = 695,885,469.92/30,153.42
  6. Step 6: Final answer
    x = 23,078.16

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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.