Home / 50,121.50-69,167.67-29,979.23

Finding the Fourth Proportional to 50,121.50, 69,167.67 and 29,979.23

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Solution

The fourth proportional to 50,121.50, 69,167.67 and 29,979.23 is: 41,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,121.50 : 69,167.67 = 29,979.23 : x
  2. Step 2: Convert to fraction form
    50,121.50/69,167.67 = 29,979.23/x
  3. Step 3: Cross multiply
    50,121.50x = 69,167.67 × 29,979.23
  4. Step 4: Simplify right side
    50,121.50x = 2,073,593,487.49
  5. Step 5: Solve for x
    x = 2,073,593,487.49/50,121.50
  6. Step 6: Final answer
    x = 41,371.34

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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.