Home / 33,280.14-45,926.61-21,343.44

Finding the Fourth Proportional to 33,280.14, 45,926.61 and 21,343.44

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Solution

The fourth proportional to 33,280.14, 45,926.61 and 21,343.44 is: 29,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.14 : 45,926.61 = 21,343.44 : x
  2. Step 2: Convert to fraction form
    33,280.14/45,926.61 = 21,343.44/x
  3. Step 3: Cross multiply
    33,280.14x = 45,926.61 × 21,343.44
  4. Step 4: Simplify right side
    33,280.14x = 980,231,844.94
  5. Step 5: Solve for x
    x = 980,231,844.94/33,280.14
  6. Step 6: Final answer
    x = 29,453.96

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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.