Home / 38,714.43-53,425.68-21,486.61

Finding the Fourth Proportional to 38,714.43, 53,425.68 and 21,486.61

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Solution

The fourth proportional to 38,714.43, 53,425.68 and 21,486.61 is: 29,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,714.43 : 53,425.68 = 21,486.61 : x
  2. Step 2: Convert to fraction form
    38,714.43/53,425.68 = 21,486.61/x
  3. Step 3: Cross multiply
    38,714.43x = 53,425.68 × 21,486.61
  4. Step 4: Simplify right side
    38,714.43x = 1,147,936,736.35
  5. Step 5: Solve for x
    x = 1,147,936,736.35/38,714.43
  6. Step 6: Final answer
    x = 29,651.39

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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.