Home / 38,608.18-53,273.62-21,611.54

Finding the Fourth Proportional to 38,608.18, 53,273.62 and 21,611.54

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Solution

The fourth proportional to 38,608.18, 53,273.62 and 21,611.54 is: 29,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.18 : 53,273.62 = 21,611.54 : x
  2. Step 2: Convert to fraction form
    38,608.18/53,273.62 = 21,611.54/x
  3. Step 3: Cross multiply
    38,608.18x = 53,273.62 × 21,611.54
  4. Step 4: Simplify right side
    38,608.18x = 1,151,324,969.57
  5. Step 5: Solve for x
    x = 1,151,324,969.57/38,608.18
  6. Step 6: Final answer
    x = 29,820.75

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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.