Home / 39,561.09-54,653.59-25,981.39

Finding the Fourth Proportional to 39,561.09, 54,653.59 and 25,981.39

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Solution

The fourth proportional to 39,561.09, 54,653.59 and 25,981.39 is: 35,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.09 : 54,653.59 = 25,981.39 : x
  2. Step 2: Convert to fraction form
    39,561.09/54,653.59 = 25,981.39/x
  3. Step 3: Cross multiply
    39,561.09x = 54,653.59 × 25,981.39
  4. Step 4: Simplify right side
    39,561.09x = 1,419,976,236.69
  5. Step 5: Solve for x
    x = 1,419,976,236.69/39,561.09
  6. Step 6: Final answer
    x = 35,893.25

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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.