Home / 38,522.20-57,783.30-18,803.80

Finding the Fourth Proportional to 38,522.20, 57,783.30 and 18,803.80

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Solution

The fourth proportional to 38,522.20, 57,783.30 and 18,803.80 is: 28,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.20 : 57,783.30 = 18,803.80 : x
  2. Step 2: Convert to fraction form
    38,522.20/57,783.30 = 18,803.80/x
  3. Step 3: Cross multiply
    38,522.20x = 57,783.30 × 18,803.80
  4. Step 4: Simplify right side
    38,522.20x = 1,086,545,616.54
  5. Step 5: Solve for x
    x = 1,086,545,616.54/38,522.20
  6. Step 6: Final answer
    x = 28,205.70

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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.