Home / 48,856.92-73,285.18-20,772.60

Finding the Fourth Proportional to 48,856.92, 73,285.18 and 20,772.60

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Solution

The fourth proportional to 48,856.92, 73,285.18 and 20,772.60 is: 31,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,856.92 : 73,285.18 = 20,772.60 : x
  2. Step 2: Convert to fraction form
    48,856.92/73,285.18 = 20,772.60/x
  3. Step 3: Cross multiply
    48,856.92x = 73,285.18 × 20,772.60
  4. Step 4: Simplify right side
    48,856.92x = 1,522,323,730.07
  5. Step 5: Solve for x
    x = 1,522,323,730.07/48,856.92
  6. Step 6: Final answer
    x = 31,158.81

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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.