Home / 49,418.56-74,139.55-16,138.56

Finding the Fourth Proportional to 49,418.56, 74,139.55 and 16,138.56

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Solution

The fourth proportional to 49,418.56, 74,139.55 and 16,138.56 is: 24,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.56 : 74,139.55 = 16,138.56 : x
  2. Step 2: Convert to fraction form
    49,418.56/74,139.55 = 16,138.56/x
  3. Step 3: Cross multiply
    49,418.56x = 74,139.55 × 16,138.56
  4. Step 4: Simplify right side
    49,418.56x = 1,196,505,487.47
  5. Step 5: Solve for x
    x = 1,196,505,487.47/49,418.56
  6. Step 6: Final answer
    x = 24,211.66

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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.