Home / 30,310.24-41,831.40-16,882.60

Finding the Fourth Proportional to 30,310.24, 41,831.40 and 16,882.60

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Solution

The fourth proportional to 30,310.24, 41,831.40 and 16,882.60 is: 23,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.24 : 41,831.40 = 16,882.60 : x
  2. Step 2: Convert to fraction form
    30,310.24/41,831.40 = 16,882.60/x
  3. Step 3: Cross multiply
    30,310.24x = 41,831.40 × 16,882.60
  4. Step 4: Simplify right side
    30,310.24x = 706,222,793.64
  5. Step 5: Solve for x
    x = 706,222,793.64/30,310.24
  6. Step 6: Final answer
    x = 23,299.81

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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.