Home / 29,118.65-40,183.20-17,183.07

Finding the Fourth Proportional to 29,118.65, 40,183.20 and 17,183.07

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Solution

The fourth proportional to 29,118.65, 40,183.20 and 17,183.07 is: 23,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.65 : 40,183.20 = 17,183.07 : x
  2. Step 2: Convert to fraction form
    29,118.65/40,183.20 = 17,183.07/x
  3. Step 3: Cross multiply
    29,118.65x = 40,183.20 × 17,183.07
  4. Step 4: Simplify right side
    29,118.65x = 690,470,738.42
  5. Step 5: Solve for x
    x = 690,470,738.42/29,118.65
  6. Step 6: Final answer
    x = 23,712.32

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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.