Home / 38,101.92-52,579.46-21,105.48

Finding the Fourth Proportional to 38,101.92, 52,579.46 and 21,105.48

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Solution

The fourth proportional to 38,101.92, 52,579.46 and 21,105.48 is: 29,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.92 : 52,579.46 = 21,105.48 : x
  2. Step 2: Convert to fraction form
    38,101.92/52,579.46 = 21,105.48/x
  3. Step 3: Cross multiply
    38,101.92x = 52,579.46 × 21,105.48
  4. Step 4: Simplify right side
    38,101.92x = 1,109,714,741.44
  5. Step 5: Solve for x
    x = 1,109,714,741.44/38,101.92
  6. Step 6: Final answer
    x = 29,124.90

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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.