Home / 38,919.44-53,709.24-22,152.56

Finding the Fourth Proportional to 38,919.44, 53,709.24 and 22,152.56

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Solution

The fourth proportional to 38,919.44, 53,709.24 and 22,152.56 is: 30,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.44 : 53,709.24 = 22,152.56 : x
  2. Step 2: Convert to fraction form
    38,919.44/53,709.24 = 22,152.56/x
  3. Step 3: Cross multiply
    38,919.44x = 53,709.24 × 22,152.56
  4. Step 4: Simplify right side
    38,919.44x = 1,189,797,161.65
  5. Step 5: Solve for x
    x = 1,189,797,161.65/38,919.44
  6. Step 6: Final answer
    x = 30,570.77

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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.