Home / 35,644.13-49,183.76-19,728.55

Finding the Fourth Proportional to 35,644.13, 49,183.76 and 19,728.55

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Solution

The fourth proportional to 35,644.13, 49,183.76 and 19,728.55 is: 27,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.13 : 49,183.76 = 19,728.55 : x
  2. Step 2: Convert to fraction form
    35,644.13/49,183.76 = 19,728.55/x
  3. Step 3: Cross multiply
    35,644.13x = 49,183.76 × 19,728.55
  4. Step 4: Simplify right side
    35,644.13x = 970,323,991.52
  5. Step 5: Solve for x
    x = 970,323,991.52/35,644.13
  6. Step 6: Final answer
    x = 27,222.54

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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.