Home / 33,188.20-45,780.42-21,247.24

Finding the Fourth Proportional to 33,188.20, 45,780.42 and 21,247.24

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Solution

The fourth proportional to 33,188.20, 45,780.42 and 21,247.24 is: 29,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,188.20 : 45,780.42 = 21,247.24 : x
  2. Step 2: Convert to fraction form
    33,188.20/45,780.42 = 21,247.24/x
  3. Step 3: Cross multiply
    33,188.20x = 45,780.42 × 21,247.24
  4. Step 4: Simplify right side
    33,188.20x = 972,707,571.04
  5. Step 5: Solve for x
    x = 972,707,571.04/33,188.20
  6. Step 6: Final answer
    x = 29,308.84

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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.