Home / 33,305.12-45,939.58-19,866

Finding the Fourth Proportional to 33,305.12, 45,939.58 and 19,866

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Solution

The fourth proportional to 33,305.12, 45,939.58 and 19,866 is: 27,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.12 : 45,939.58 = 19,866 : x
  2. Step 2: Convert to fraction form
    33,305.12/45,939.58 = 19,866/x
  3. Step 3: Cross multiply
    33,305.12x = 45,939.58 × 19,866
  4. Step 4: Simplify right side
    33,305.12x = 912,635,646.62
  5. Step 5: Solve for x
    x = 912,635,646.62/33,305.12
  6. Step 6: Final answer
    x = 27,402.27

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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.