Home / 38,553.20-57,767.70-21,863.60

Finding the Fourth Proportional to 38,553.20, 57,767.70 and 21,863.60

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Solution

The fourth proportional to 38,553.20, 57,767.70 and 21,863.60 is: 32,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.20 : 57,767.70 = 21,863.60 : x
  2. Step 2: Convert to fraction form
    38,553.20/57,767.70 = 21,863.60/x
  3. Step 3: Cross multiply
    38,553.20x = 57,767.70 × 21,863.60
  4. Step 4: Simplify right side
    38,553.20x = 1,263,009,885.72
  5. Step 5: Solve for x
    x = 1,263,009,885.72/38,553.20
  6. Step 6: Final answer
    x = 32,760.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.