Home / 35,128.20-48,481.56-20,026.32

Finding the Fourth Proportional to 35,128.20, 48,481.56 and 20,026.32

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Solution

The fourth proportional to 35,128.20, 48,481.56 and 20,026.32 is: 27,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.20 : 48,481.56 = 20,026.32 : x
  2. Step 2: Convert to fraction form
    35,128.20/48,481.56 = 20,026.32/x
  3. Step 3: Cross multiply
    35,128.20x = 48,481.56 × 20,026.32
  4. Step 4: Simplify right side
    35,128.20x = 970,907,234.66
  5. Step 5: Solve for x
    x = 970,907,234.66/35,128.20
  6. Step 6: Final answer
    x = 27,638.97

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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.