Home / 50,685.14-69,942.68-28,022.81

Finding the Fourth Proportional to 50,685.14, 69,942.68 and 28,022.81

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Solution

The fourth proportional to 50,685.14, 69,942.68 and 28,022.81 is: 38,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,685.14 : 69,942.68 = 28,022.81 : x
  2. Step 2: Convert to fraction form
    50,685.14/69,942.68 = 28,022.81/x
  3. Step 3: Cross multiply
    50,685.14x = 69,942.68 × 28,022.81
  4. Step 4: Simplify right side
    50,685.14x = 1,959,990,467.27
  5. Step 5: Solve for x
    x = 1,959,990,467.27/50,685.14
  6. Step 6: Final answer
    x = 38,669.92

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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.