Home / 37,939.96-52,359.42-21,174.04

Finding the Fourth Proportional to 37,939.96, 52,359.42 and 21,174.04

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Solution

The fourth proportional to 37,939.96, 52,359.42 and 21,174.04 is: 29,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,939.96 : 52,359.42 = 21,174.04 : x
  2. Step 2: Convert to fraction form
    37,939.96/52,359.42 = 21,174.04/x
  3. Step 3: Cross multiply
    37,939.96x = 52,359.42 × 21,174.04
  4. Step 4: Simplify right side
    37,939.96x = 1,108,660,453.46
  5. Step 5: Solve for x
    x = 1,108,660,453.46/37,939.96
  6. Step 6: Final answer
    x = 29,221.44

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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.