Home / 54,280.20-81,485.10-30,606.60

Finding the Fourth Proportional to 54,280.20, 81,485.10 and 30,606.60

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Solution

The fourth proportional to 54,280.20, 81,485.10 and 30,606.60 is: 45,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.20 : 81,485.10 = 30,606.60 : x
  2. Step 2: Convert to fraction form
    54,280.20/81,485.10 = 30,606.60/x
  3. Step 3: Cross multiply
    54,280.20x = 81,485.10 × 30,606.60
  4. Step 4: Simplify right side
    54,280.20x = 2,493,981,861.66
  5. Step 5: Solve for x
    x = 2,493,981,861.66/54,280.20
  6. Step 6: Final answer
    x = 45,946.44

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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.