Home / 38,890.37-53,654.68-25,469.28

Finding the Fourth Proportional to 38,890.37, 53,654.68 and 25,469.28

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Solution

The fourth proportional to 38,890.37, 53,654.68 and 25,469.28 is: 35,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.37 : 53,654.68 = 25,469.28 : x
  2. Step 2: Convert to fraction form
    38,890.37/53,654.68 = 25,469.28/x
  3. Step 3: Cross multiply
    38,890.37x = 53,654.68 × 25,469.28
  4. Step 4: Simplify right side
    38,890.37x = 1,366,545,940.88
  5. Step 5: Solve for x
    x = 1,366,545,940.88/38,890.37
  6. Step 6: Final answer
    x = 35,138.41

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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.