Home / 50,721.09-69,997.17-28,059.69

Finding the Fourth Proportional to 50,721.09, 69,997.17 and 28,059.69

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Solution

The fourth proportional to 50,721.09, 69,997.17 and 28,059.69 is: 38,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.09 : 69,997.17 = 28,059.69 : x
  2. Step 2: Convert to fraction form
    50,721.09/69,997.17 = 28,059.69/x
  3. Step 3: Cross multiply
    50,721.09x = 69,997.17 × 28,059.69
  4. Step 4: Simplify right side
    50,721.09x = 1,964,098,891.08
  5. Step 5: Solve for x
    x = 1,964,098,891.08/50,721.09
  6. Step 6: Final answer
    x = 38,723.52

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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.