Home / 38,727.05-53,443.62-25,290.37

Finding the Fourth Proportional to 38,727.05, 53,443.62 and 25,290.37

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Solution

The fourth proportional to 38,727.05, 53,443.62 and 25,290.37 is: 34,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727.05 : 53,443.62 = 25,290.37 : x
  2. Step 2: Convert to fraction form
    38,727.05/53,443.62 = 25,290.37/x
  3. Step 3: Cross multiply
    38,727.05x = 53,443.62 × 25,290.37
  4. Step 4: Simplify right side
    38,727.05x = 1,351,608,790.33
  5. Step 5: Solve for x
    x = 1,351,608,790.33/38,727.05
  6. Step 6: Final answer
    x = 34,900.89

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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.