Home / 38,422.20-57,633.30-22,831.80

Finding the Fourth Proportional to 38,422.20, 57,633.30 and 22,831.80

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Solution

The fourth proportional to 38,422.20, 57,633.30 and 22,831.80 is: 34,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422.20 : 57,633.30 = 22,831.80 : x
  2. Step 2: Convert to fraction form
    38,422.20/57,633.30 = 22,831.80/x
  3. Step 3: Cross multiply
    38,422.20x = 57,633.30 × 22,831.80
  4. Step 4: Simplify right side
    38,422.20x = 1,315,871,978.94
  5. Step 5: Solve for x
    x = 1,315,871,978.94/38,422.20
  6. Step 6: Final answer
    x = 34,247.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.