Home / 50,715.72-69,986.43-28,055.97

Finding the Fourth Proportional to 50,715.72, 69,986.43 and 28,055.97

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Solution

The fourth proportional to 50,715.72, 69,986.43 and 28,055.97 is: 38,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,715.72 : 69,986.43 = 28,055.97 : x
  2. Step 2: Convert to fraction form
    50,715.72/69,986.43 = 28,055.97/x
  3. Step 3: Cross multiply
    50,715.72x = 69,986.43 × 28,055.97
  4. Step 4: Simplify right side
    50,715.72x = 1,963,537,180.49
  5. Step 5: Solve for x
    x = 1,963,537,180.49/50,715.72
  6. Step 6: Final answer
    x = 38,716.54

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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.