Home / 20,276.01-30,414.20-5,485.07

Finding the Fourth Proportional to 20,276.01, 30,414.20 and 5,485.07

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Solution

The fourth proportional to 20,276.01, 30,414.20 and 5,485.07 is: 8,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.01 : 30,414.20 = 5,485.07 : x
  2. Step 2: Convert to fraction form
    20,276.01/30,414.20 = 5,485.07/x
  3. Step 3: Cross multiply
    20,276.01x = 30,414.20 × 5,485.07
  4. Step 4: Simplify right side
    20,276.01x = 166,823,836.50
  5. Step 5: Solve for x
    x = 166,823,836.50/20,276.01
  6. Step 6: Final answer
    x = 8,227.65

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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.