Home / 49,245.59-67,942.05-28,019.54

Finding the Fourth Proportional to 49,245.59, 67,942.05 and 28,019.54

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Solution

The fourth proportional to 49,245.59, 67,942.05 and 28,019.54 is: 38,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,245.59 : 67,942.05 = 28,019.54 : x
  2. Step 2: Convert to fraction form
    49,245.59/67,942.05 = 28,019.54/x
  3. Step 3: Cross multiply
    49,245.59x = 67,942.05 × 28,019.54
  4. Step 4: Simplify right side
    49,245.59x = 1,903,704,987.66
  5. Step 5: Solve for x
    x = 1,903,704,987.66/49,245.59
  6. Step 6: Final answer
    x = 38,657.37

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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.