Home / 50,683.08-69,939.82-28,020.75

Finding the Fourth Proportional to 50,683.08, 69,939.82 and 28,020.75

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Solution

The fourth proportional to 50,683.08, 69,939.82 and 28,020.75 is: 38,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,683.08 : 69,939.82 = 28,020.75 : x
  2. Step 2: Convert to fraction form
    50,683.08/69,939.82 = 28,020.75/x
  3. Step 3: Cross multiply
    50,683.08x = 69,939.82 × 28,020.75
  4. Step 4: Simplify right side
    50,683.08x = 1,959,765,791.51
  5. Step 5: Solve for x
    x = 1,959,765,791.51/50,683.08
  6. Step 6: Final answer
    x = 38,667.07

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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.