Home / 38,198.23-52,711.06-21,201.65

Finding the Fourth Proportional to 38,198.23, 52,711.06 and 21,201.65

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Solution

The fourth proportional to 38,198.23, 52,711.06 and 21,201.65 is: 29,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.23 : 52,711.06 = 21,201.65 : x
  2. Step 2: Convert to fraction form
    38,198.23/52,711.06 = 21,201.65/x
  3. Step 3: Cross multiply
    38,198.23x = 52,711.06 × 21,201.65
  4. Step 4: Simplify right side
    38,198.23x = 1,117,561,128.69
  5. Step 5: Solve for x
    x = 1,117,561,128.69/38,198.23
  6. Step 6: Final answer
    x = 29,256.88

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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.