Home / 38,512.20-57,768.30-36,981.30

Finding the Fourth Proportional to 38,512.20, 57,768.30 and 36,981.30

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Solution

The fourth proportional to 38,512.20, 57,768.30 and 36,981.30 is: 55,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.20 : 57,768.30 = 36,981.30 : x
  2. Step 2: Convert to fraction form
    38,512.20/57,768.30 = 36,981.30/x
  3. Step 3: Cross multiply
    38,512.20x = 57,768.30 × 36,981.30
  4. Step 4: Simplify right side
    38,512.20x = 2,136,346,832.79
  5. Step 5: Solve for x
    x = 2,136,346,832.79/38,512.20
  6. Step 6: Final answer
    x = 55,471.95

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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.