Home / 30,722.70-46,072.53-13,183.50

Finding the Fourth Proportional to 30,722.70, 46,072.53 and 13,183.50

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Solution

The fourth proportional to 30,722.70, 46,072.53 and 13,183.50 is: 19,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.70 : 46,072.53 = 13,183.50 : x
  2. Step 2: Convert to fraction form
    30,722.70/46,072.53 = 13,183.50/x
  3. Step 3: Cross multiply
    30,722.70x = 46,072.53 × 13,183.50
  4. Step 4: Simplify right side
    30,722.70x = 607,397,199.26
  5. Step 5: Solve for x
    x = 607,397,199.26/30,722.70
  6. Step 6: Final answer
    x = 19,770.31

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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.