Home / 33,182.15-45,799.63-20,446.22

Finding the Fourth Proportional to 33,182.15, 45,799.63 and 20,446.22

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Solution

The fourth proportional to 33,182.15, 45,799.63 and 20,446.22 is: 28,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.15 : 45,799.63 = 20,446.22 : x
  2. Step 2: Convert to fraction form
    33,182.15/45,799.63 = 20,446.22/x
  3. Step 3: Cross multiply
    33,182.15x = 45,799.63 × 20,446.22
  4. Step 4: Simplify right side
    33,182.15x = 936,429,374.28
  5. Step 5: Solve for x
    x = 936,429,374.28/33,182.15
  6. Step 6: Final answer
    x = 28,220.88

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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.