Home / 36,606.20-54,909.30-21,831.80

Finding the Fourth Proportional to 36,606.20, 54,909.30 and 21,831.80

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Solution

The fourth proportional to 36,606.20, 54,909.30 and 21,831.80 is: 32,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,606.20 : 54,909.30 = 21,831.80 : x
  2. Step 2: Convert to fraction form
    36,606.20/54,909.30 = 21,831.80/x
  3. Step 3: Cross multiply
    36,606.20x = 54,909.30 × 21,831.80
  4. Step 4: Simplify right side
    36,606.20x = 1,198,768,855.74
  5. Step 5: Solve for x
    x = 1,198,768,855.74/36,606.20
  6. Step 6: Final answer
    x = 32,747.70

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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.