Home / 38,275.82-52,814.24-21,279.58

Finding the Fourth Proportional to 38,275.82, 52,814.24 and 21,279.58

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Solution

The fourth proportional to 38,275.82, 52,814.24 and 21,279.58 is: 29,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.82 : 52,814.24 = 21,279.58 : x
  2. Step 2: Convert to fraction form
    38,275.82/52,814.24 = 21,279.58/x
  3. Step 3: Cross multiply
    38,275.82x = 52,814.24 × 21,279.58
  4. Step 4: Simplify right side
    38,275.82x = 1,123,864,845.22
  5. Step 5: Solve for x
    x = 1,123,864,845.22/38,275.82
  6. Step 6: Final answer
    x = 29,362.27

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Double scale
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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.