Home / 50,149.25-75,144.65-18,515.71

Finding the Fourth Proportional to 50,149.25, 75,144.65 and 18,515.71

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Solution

The fourth proportional to 50,149.25, 75,144.65 and 18,515.71 is: 27,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,149.25 : 75,144.65 = 18,515.71 : x
  2. Step 2: Convert to fraction form
    50,149.25/75,144.65 = 18,515.71/x
  3. Step 3: Cross multiply
    50,149.25x = 75,144.65 × 18,515.71
  4. Step 4: Simplify right side
    50,149.25x = 1,391,356,838.26
  5. Step 5: Solve for x
    x = 1,391,356,838.26/50,149.25
  6. Step 6: Final answer
    x = 27,744.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.