Home / 39,518.84-54,540.97-25,918.31

Finding the Fourth Proportional to 39,518.84, 54,540.97 and 25,918.31

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Solution

The fourth proportional to 39,518.84, 54,540.97 and 25,918.31 is: 35,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,518.84 : 54,540.97 = 25,918.31 : x
  2. Step 2: Convert to fraction form
    39,518.84/54,540.97 = 25,918.31/x
  3. Step 3: Cross multiply
    39,518.84x = 54,540.97 × 25,918.31
  4. Step 4: Simplify right side
    39,518.84x = 1,413,609,638.57
  5. Step 5: Solve for x
    x = 1,413,609,638.57/39,518.84
  6. Step 6: Final answer
    x = 35,770.52

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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.