Home / 38,723.67-53,418.92-25,302.78

Finding the Fourth Proportional to 38,723.67, 53,418.92 and 25,302.78

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Solution

The fourth proportional to 38,723.67, 53,418.92 and 25,302.78 is: 34,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.67 : 53,418.92 = 25,302.78 : x
  2. Step 2: Convert to fraction form
    38,723.67/53,418.92 = 25,302.78/x
  3. Step 3: Cross multiply
    38,723.67x = 53,418.92 × 25,302.78
  4. Step 4: Simplify right side
    38,723.67x = 1,351,647,054.08
  5. Step 5: Solve for x
    x = 1,351,647,054.08/38,723.67
  6. Step 6: Final answer
    x = 34,904.93

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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.