Home / 38,687.75-53,400.49-25,261.09

Finding the Fourth Proportional to 38,687.75, 53,400.49 and 25,261.09

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Solution

The fourth proportional to 38,687.75, 53,400.49 and 25,261.09 is: 34,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.75 : 53,400.49 = 25,261.09 : x
  2. Step 2: Convert to fraction form
    38,687.75/53,400.49 = 25,261.09/x
  3. Step 3: Cross multiply
    38,687.75x = 53,400.49 × 25,261.09
  4. Step 4: Simplify right side
    38,687.75x = 1,348,954,583.93
  5. Step 5: Solve for x
    x = 1,348,954,583.93/38,687.75
  6. Step 6: Final answer
    x = 34,867.74

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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.