Home / 49,289.70-73,825.20-19,692.30

Finding the Fourth Proportional to 49,289.70, 73,825.20 and 19,692.30

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Solution

The fourth proportional to 49,289.70, 73,825.20 and 19,692.30 is: 29,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,289.70 : 73,825.20 = 19,692.30 : x
  2. Step 2: Convert to fraction form
    49,289.70/73,825.20 = 19,692.30/x
  3. Step 3: Cross multiply
    49,289.70x = 73,825.20 × 19,692.30
  4. Step 4: Simplify right side
    49,289.70x = 1,453,787,985.96
  5. Step 5: Solve for x
    x = 1,453,787,985.96/49,289.70
  6. Step 6: Final answer
    x = 29,494.76

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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.