Home / 51,969.09-77,918.60-41,986.11

Finding the Fourth Proportional to 51,969.09, 77,918.60 and 41,986.11

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Solution

The fourth proportional to 51,969.09, 77,918.60 and 41,986.11 is: 62,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,969.09 : 77,918.60 = 41,986.11 : x
  2. Step 2: Convert to fraction form
    51,969.09/77,918.60 = 41,986.11/x
  3. Step 3: Cross multiply
    51,969.09x = 77,918.60 × 41,986.11
  4. Step 4: Simplify right side
    51,969.09x = 3,271,498,910.65
  5. Step 5: Solve for x
    x = 3,271,498,910.65/51,969.09
  6. Step 6: Final answer
    x = 62,950.86

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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.