Home / 38,540.70-53,122.50-25,789.29

Finding the Fourth Proportional to 38,540.70, 53,122.50 and 25,789.29

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Solution

The fourth proportional to 38,540.70, 53,122.50 and 25,789.29 is: 35,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,540.70 : 53,122.50 = 25,789.29 : x
  2. Step 2: Convert to fraction form
    38,540.70/53,122.50 = 25,789.29/x
  3. Step 3: Cross multiply
    38,540.70x = 53,122.50 × 25,789.29
  4. Step 4: Simplify right side
    38,540.70x = 1,369,991,558.03
  5. Step 5: Solve for x
    x = 1,369,991,558.03/38,540.70
  6. Step 6: Final answer
    x = 35,546.62

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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.