Home / 50,896.79-76,332.88-21,336.75

Finding the Fourth Proportional to 50,896.79, 76,332.88 and 21,336.75

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Solution

The fourth proportional to 50,896.79, 76,332.88 and 21,336.75 is: 31,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,896.79 : 76,332.88 = 21,336.75 : x
  2. Step 2: Convert to fraction form
    50,896.79/76,332.88 = 21,336.75/x
  3. Step 3: Cross multiply
    50,896.79x = 76,332.88 × 21,336.75
  4. Step 4: Simplify right side
    50,896.79x = 1,628,695,604.01
  5. Step 5: Solve for x
    x = 1,628,695,604.01/50,896.79
  6. Step 6: Final answer
    x = 31,999.97

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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.