Home / 49,220-73,821.60-17,623.20

Finding the Fourth Proportional to 49,220, 73,821.60 and 17,623.20

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Solution

The fourth proportional to 49,220, 73,821.60 and 17,623.20 is: 26,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,220 : 73,821.60 = 17,623.20 : x
  2. Step 2: Convert to fraction form
    49,220/73,821.60 = 17,623.20/x
  3. Step 3: Cross multiply
    49,220x = 73,821.60 × 17,623.20
  4. Step 4: Simplify right side
    49,220x = 1,300,972,821.12
  5. Step 5: Solve for x
    x = 1,300,972,821.12/49,220
  6. Step 6: Final answer
    x = 26,431.79

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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.