Home / 39,220.03-54,114.99-22,222.79

Finding the Fourth Proportional to 39,220.03, 54,114.99 and 22,222.79

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Solution

The fourth proportional to 39,220.03, 54,114.99 and 22,222.79 is: 30,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.03 : 54,114.99 = 22,222.79 : x
  2. Step 2: Convert to fraction form
    39,220.03/54,114.99 = 22,222.79/x
  3. Step 3: Cross multiply
    39,220.03x = 54,114.99 × 22,222.79
  4. Step 4: Simplify right side
    39,220.03x = 1,202,585,907.64
  5. Step 5: Solve for x
    x = 1,202,585,907.64/39,220.03
  6. Step 6: Final answer
    x = 30,662.54

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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.