Home / 48,905.20-73,363.20-15,619.60

Finding the Fourth Proportional to 48,905.20, 73,363.20 and 15,619.60

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Solution

The fourth proportional to 48,905.20, 73,363.20 and 15,619.60 is: 23,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.20 : 73,363.20 = 15,619.60 : x
  2. Step 2: Convert to fraction form
    48,905.20/73,363.20 = 15,619.60/x
  3. Step 3: Cross multiply
    48,905.20x = 73,363.20 × 15,619.60
  4. Step 4: Simplify right side
    48,905.20x = 1,145,903,838.72
  5. Step 5: Solve for x
    x = 1,145,903,838.72/48,905.20
  6. Step 6: Final answer
    x = 23,431.12

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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.