Home / 38,105.76-52,586.16-22,201.20

Finding the Fourth Proportional to 38,105.76, 52,586.16 and 22,201.20

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Solution

The fourth proportional to 38,105.76, 52,586.16 and 22,201.20 is: 30,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.76 : 52,586.16 = 22,201.20 : x
  2. Step 2: Convert to fraction form
    38,105.76/52,586.16 = 22,201.20/x
  3. Step 3: Cross multiply
    38,105.76x = 52,586.16 × 22,201.20
  4. Step 4: Simplify right side
    38,105.76x = 1,167,475,855.39
  5. Step 5: Solve for x
    x = 1,167,475,855.39/38,105.76
  6. Step 6: Final answer
    x = 30,637.78

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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.