Home / 48,787.20-73,245.60-38,937.60

Finding the Fourth Proportional to 48,787.20, 73,245.60 and 38,937.60

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Solution

The fourth proportional to 48,787.20, 73,245.60 and 38,937.60 is: 58,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.20 : 73,245.60 = 38,937.60 : x
  2. Step 2: Convert to fraction form
    48,787.20/73,245.60 = 38,937.60/x
  3. Step 3: Cross multiply
    48,787.20x = 73,245.60 × 38,937.60
  4. Step 4: Simplify right side
    48,787.20x = 2,852,007,874.56
  5. Step 5: Solve for x
    x = 2,852,007,874.56/48,787.20
  6. Step 6: Final answer
    x = 58,458.12

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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.