Home / 38,290.77-57,447.06-27,771.30

Finding the Fourth Proportional to 38,290.77, 57,447.06 and 27,771.30

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Solution

The fourth proportional to 38,290.77, 57,447.06 and 27,771.30 is: 41,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.77 : 57,447.06 = 27,771.30 : x
  2. Step 2: Convert to fraction form
    38,290.77/57,447.06 = 27,771.30/x
  3. Step 3: Cross multiply
    38,290.77x = 57,447.06 × 27,771.30
  4. Step 4: Simplify right side
    38,290.77x = 1,595,379,537.38
  5. Step 5: Solve for x
    x = 1,595,379,537.38/38,290.77
  6. Step 6: Final answer
    x = 41,664.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.