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Finding the Fourth Proportional to 49,285.99, 73,936.12 and 15,540.55

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Solution

The fourth proportional to 49,285.99, 73,936.12 and 15,540.55 is: 23,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,285.99 : 73,936.12 = 15,540.55 : x
  2. Step 2: Convert to fraction form
    49,285.99/73,936.12 = 15,540.55/x
  3. Step 3: Cross multiply
    49,285.99x = 73,936.12 × 15,540.55
  4. Step 4: Simplify right side
    49,285.99x = 1,149,008,086.79
  5. Step 5: Solve for x
    x = 1,149,008,086.79/49,285.99
  6. Step 6: Final answer
    x = 23,313.08

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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.