Home / 30,221.91-41,705.69-16,792.92

Finding the Fourth Proportional to 30,221.91, 41,705.69 and 16,792.92

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Solution

The fourth proportional to 30,221.91, 41,705.69 and 16,792.92 is: 23,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,221.91 : 41,705.69 = 16,792.92 : x
  2. Step 2: Convert to fraction form
    30,221.91/41,705.69 = 16,792.92/x
  3. Step 3: Cross multiply
    30,221.91x = 41,705.69 × 16,792.92
  4. Step 4: Simplify right side
    30,221.91x = 700,360,231.75
  5. Step 5: Solve for x
    x = 700,360,231.75/30,221.91
  6. Step 6: Final answer
    x = 23,173.92

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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.