Home / 33,069.68-45,651.48-21,755.60

Finding the Fourth Proportional to 33,069.68, 45,651.48 and 21,755.60

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Solution

The fourth proportional to 33,069.68, 45,651.48 and 21,755.60 is: 30,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.68 : 45,651.48 = 21,755.60 : x
  2. Step 2: Convert to fraction form
    33,069.68/45,651.48 = 21,755.60/x
  3. Step 3: Cross multiply
    33,069.68x = 45,651.48 × 21,755.60
  4. Step 4: Simplify right side
    33,069.68x = 993,175,338.29
  5. Step 5: Solve for x
    x = 993,175,338.29/33,069.68
  6. Step 6: Final answer
    x = 30,032.81

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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.