Home / 45,623.25-62,942.47-28,620.54

Finding the Fourth Proportional to 45,623.25, 62,942.47 and 28,620.54

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Solution

The fourth proportional to 45,623.25, 62,942.47 and 28,620.54 is: 39,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,623.25 : 62,942.47 = 28,620.54 : x
  2. Step 2: Convert to fraction form
    45,623.25/62,942.47 = 28,620.54/x
  3. Step 3: Cross multiply
    45,623.25x = 62,942.47 × 28,620.54
  4. Step 4: Simplify right side
    45,623.25x = 1,801,447,408.78
  5. Step 5: Solve for x
    x = 1,801,447,408.78/45,623.25
  6. Step 6: Final answer
    x = 39,485.29

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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.