Home / 38,081.48-52,553.14-21,314.44

Finding the Fourth Proportional to 38,081.48, 52,553.14 and 21,314.44

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Solution

The fourth proportional to 38,081.48, 52,553.14 and 21,314.44 is: 29,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.48 : 52,553.14 = 21,314.44 : x
  2. Step 2: Convert to fraction form
    38,081.48/52,553.14 = 21,314.44/x
  3. Step 3: Cross multiply
    38,081.48x = 52,553.14 × 21,314.44
  4. Step 4: Simplify right side
    38,081.48x = 1,120,140,749.34
  5. Step 5: Solve for x
    x = 1,120,140,749.34/38,081.48
  6. Step 6: Final answer
    x = 29,414.32

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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.