Home / 33,331.68-45,998.45-19,900.43

Finding the Fourth Proportional to 33,331.68, 45,998.45 and 19,900.43

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Solution

The fourth proportional to 33,331.68, 45,998.45 and 19,900.43 is: 27,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,331.68 : 45,998.45 = 19,900.43 : x
  2. Step 2: Convert to fraction form
    33,331.68/45,998.45 = 19,900.43/x
  3. Step 3: Cross multiply
    33,331.68x = 45,998.45 × 19,900.43
  4. Step 4: Simplify right side
    33,331.68x = 915,388,934.33
  5. Step 5: Solve for x
    x = 915,388,934.33/33,331.68
  6. Step 6: Final answer
    x = 27,463.03

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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.