Home / 33,329.46-45,994.68-18,221.88

Finding the Fourth Proportional to 33,329.46, 45,994.68 and 18,221.88

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Solution

The fourth proportional to 33,329.46, 45,994.68 and 18,221.88 is: 25,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,329.46 : 45,994.68 = 18,221.88 : x
  2. Step 2: Convert to fraction form
    33,329.46/45,994.68 = 18,221.88/x
  3. Step 3: Cross multiply
    33,329.46x = 45,994.68 × 18,221.88
  4. Step 4: Simplify right side
    33,329.46x = 838,109,539.60
  5. Step 5: Solve for x
    x = 838,109,539.60/33,329.46
  6. Step 6: Final answer
    x = 25,146.21

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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.