Home / 38,912.18-53,698.83-22,145.18

Finding the Fourth Proportional to 38,912.18, 53,698.83 and 22,145.18

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Solution

The fourth proportional to 38,912.18, 53,698.83 and 22,145.18 is: 30,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,912.18 : 53,698.83 = 22,145.18 : x
  2. Step 2: Convert to fraction form
    38,912.18/53,698.83 = 22,145.18/x
  3. Step 3: Cross multiply
    38,912.18x = 53,698.83 × 22,145.18
  4. Step 4: Simplify right side
    38,912.18x = 1,189,170,256.14
  5. Step 5: Solve for x
    x = 1,189,170,256.14/38,912.18
  6. Step 6: Final answer
    x = 30,560.36

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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.