Home / 41,261.67-61,895.79-13,185.72

Finding the Fourth Proportional to 41,261.67, 61,895.79 and 13,185.72

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Solution

The fourth proportional to 41,261.67, 61,895.79 and 13,185.72 is: 19,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,261.67 : 61,895.79 = 13,185.72 : x
  2. Step 2: Convert to fraction form
    41,261.67/61,895.79 = 13,185.72/x
  3. Step 3: Cross multiply
    41,261.67x = 61,895.79 × 13,185.72
  4. Step 4: Simplify right side
    41,261.67x = 816,140,556.12
  5. Step 5: Solve for x
    x = 816,140,556.12/41,261.67
  6. Step 6: Final answer
    x = 19,779.63

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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.