Home / 49,520.89-74,303.21-19,996.39

Finding the Fourth Proportional to 49,520.89, 74,303.21 and 19,996.39

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Solution

The fourth proportional to 49,520.89, 74,303.21 and 19,996.39 is: 30,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.89 : 74,303.21 = 19,996.39 : x
  2. Step 2: Convert to fraction form
    49,520.89/74,303.21 = 19,996.39/x
  3. Step 3: Cross multiply
    49,520.89x = 74,303.21 × 19,996.39
  4. Step 4: Simplify right side
    49,520.89x = 1,485,795,865.43
  5. Step 5: Solve for x
    x = 1,485,795,865.43/49,520.89
  6. Step 6: Final answer
    x = 30,003.42

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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.