Home / 38,219.20-57,280.20-34,039.60

Finding the Fourth Proportional to 38,219.20, 57,280.20 and 34,039.60

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Solution

The fourth proportional to 38,219.20, 57,280.20 and 34,039.60 is: 51,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.20 : 57,280.20 = 34,039.60 : x
  2. Step 2: Convert to fraction form
    38,219.20/57,280.20 = 34,039.60/x
  3. Step 3: Cross multiply
    38,219.20x = 57,280.20 × 34,039.60
  4. Step 4: Simplify right side
    38,219.20x = 1,949,795,095.92
  5. Step 5: Solve for x
    x = 1,949,795,095.92/38,219.20
  6. Step 6: Final answer
    x = 51,016.11

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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.