Home / 30,157.10-41,613.36-16,724.96

Finding the Fourth Proportional to 30,157.10, 41,613.36 and 16,724.96

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Solution

The fourth proportional to 30,157.10, 41,613.36 and 16,724.96 is: 23,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.10 : 41,613.36 = 16,724.96 : x
  2. Step 2: Convert to fraction form
    30,157.10/41,613.36 = 16,724.96/x
  3. Step 3: Cross multiply
    30,157.10x = 41,613.36 × 16,724.96
  4. Step 4: Simplify right side
    30,157.10x = 695,981,781.47
  5. Step 5: Solve for x
    x = 695,981,781.47/30,157.10
  6. Step 6: Final answer
    x = 23,078.54

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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.