Home / 33,514.74-46,272-20,781.45

Finding the Fourth Proportional to 33,514.74, 46,272 and 20,781.45

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Solution

The fourth proportional to 33,514.74, 46,272 and 20,781.45 is: 28,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,514.74 : 46,272 = 20,781.45 : x
  2. Step 2: Convert to fraction form
    33,514.74/46,272 = 20,781.45/x
  3. Step 3: Cross multiply
    33,514.74x = 46,272 × 20,781.45
  4. Step 4: Simplify right side
    33,514.74x = 961,599,254.40
  5. Step 5: Solve for x
    x = 961,599,254.40/33,514.74
  6. Step 6: Final answer
    x = 28,691.83

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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.