Home / 49,936.14-74,839.41-20,319.57

Finding the Fourth Proportional to 49,936.14, 74,839.41 and 20,319.57

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Solution

The fourth proportional to 49,936.14, 74,839.41 and 20,319.57 is: 30,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,936.14 : 74,839.41 = 20,319.57 : x
  2. Step 2: Convert to fraction form
    49,936.14/74,839.41 = 20,319.57/x
  3. Step 3: Cross multiply
    49,936.14x = 74,839.41 × 20,319.57
  4. Step 4: Simplify right side
    49,936.14x = 1,520,704,630.25
  5. Step 5: Solve for x
    x = 1,520,704,630.25/49,936.14
  6. Step 6: Final answer
    x = 30,452.99

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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.