Home / 38,486.10-57,729.15-36,153.30

Finding the Fourth Proportional to 38,486.10, 57,729.15 and 36,153.30

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Solution

The fourth proportional to 38,486.10, 57,729.15 and 36,153.30 is: 54,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.10 : 57,729.15 = 36,153.30 : x
  2. Step 2: Convert to fraction form
    38,486.10/57,729.15 = 36,153.30/x
  3. Step 3: Cross multiply
    38,486.10x = 57,729.15 × 36,153.30
  4. Step 4: Simplify right side
    38,486.10x = 2,087,099,278.70
  5. Step 5: Solve for x
    x = 2,087,099,278.70/38,486.10
  6. Step 6: Final answer
    x = 54,229.95

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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.