Home / 34,912.08-48,179.61-18,997.20

Finding the Fourth Proportional to 34,912.08, 48,179.61 and 18,997.20

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Solution

The fourth proportional to 34,912.08, 48,179.61 and 18,997.20 is: 26,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,912.08 : 48,179.61 = 18,997.20 : x
  2. Step 2: Convert to fraction form
    34,912.08/48,179.61 = 18,997.20/x
  3. Step 3: Cross multiply
    34,912.08x = 48,179.61 × 18,997.20
  4. Step 4: Simplify right side
    34,912.08x = 915,277,687.09
  5. Step 5: Solve for x
    x = 915,277,687.09/34,912.08
  6. Step 6: Final answer
    x = 26,216.65

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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.