Home / 31,292.67-43,183.22-17,145.21

Finding the Fourth Proportional to 31,292.67, 43,183.22 and 17,145.21

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Solution

The fourth proportional to 31,292.67, 43,183.22 and 17,145.21 is: 23,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.67 : 43,183.22 = 17,145.21 : x
  2. Step 2: Convert to fraction form
    31,292.67/43,183.22 = 17,145.21/x
  3. Step 3: Cross multiply
    31,292.67x = 43,183.22 × 17,145.21
  4. Step 4: Simplify right side
    31,292.67x = 740,385,289.65
  5. Step 5: Solve for x
    x = 740,385,289.65/31,292.67
  6. Step 6: Final answer
    x = 23,660.02

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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.