Home / 30,311.66-41,831.39-16,882.92

Finding the Fourth Proportional to 30,311.66, 41,831.39 and 16,882.92

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Solution

The fourth proportional to 30,311.66, 41,831.39 and 16,882.92 is: 23,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.66 : 41,831.39 = 16,882.92 : x
  2. Step 2: Convert to fraction form
    30,311.66/41,831.39 = 16,882.92/x
  3. Step 3: Cross multiply
    30,311.66x = 41,831.39 × 16,882.92
  4. Step 4: Simplify right side
    30,311.66x = 706,236,010.86
  5. Step 5: Solve for x
    x = 706,236,010.86/30,311.66
  6. Step 6: Final answer
    x = 23,299.15

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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.