Home / 30,253.54-41,753.62-18,321.04

Finding the Fourth Proportional to 30,253.54, 41,753.62 and 18,321.04

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Solution

The fourth proportional to 30,253.54, 41,753.62 and 18,321.04 is: 25,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.54 : 41,753.62 = 18,321.04 : x
  2. Step 2: Convert to fraction form
    30,253.54/41,753.62 = 18,321.04/x
  3. Step 3: Cross multiply
    30,253.54x = 41,753.62 × 18,321.04
  4. Step 4: Simplify right side
    30,253.54x = 764,969,742.16
  5. Step 5: Solve for x
    x = 764,969,742.16/30,253.54
  6. Step 6: Final answer
    x = 25,285.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.