Home / 29,209.86-40,310.42-17,879.13

Finding the Fourth Proportional to 29,209.86, 40,310.42 and 17,879.13

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Solution

The fourth proportional to 29,209.86, 40,310.42 and 17,879.13 is: 24,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,209.86 : 40,310.42 = 17,879.13 : x
  2. Step 2: Convert to fraction form
    29,209.86/40,310.42 = 17,879.13/x
  3. Step 3: Cross multiply
    29,209.86x = 40,310.42 × 17,879.13
  4. Step 4: Simplify right side
    29,209.86x = 720,715,150.14
  5. Step 5: Solve for x
    x = 720,715,150.14/29,209.86
  6. Step 6: Final answer
    x = 24,673.69

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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.