Home / 31,078.14-46,616.82-7,704.36

Finding the Fourth Proportional to 31,078.14, 46,616.82 and 7,704.36

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Solution

The fourth proportional to 31,078.14, 46,616.82 and 7,704.36 is: 11,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078.14 : 46,616.82 = 7,704.36 : x
  2. Step 2: Convert to fraction form
    31,078.14/46,616.82 = 7,704.36/x
  3. Step 3: Cross multiply
    31,078.14x = 46,616.82 × 7,704.36
  4. Step 4: Simplify right side
    31,078.14x = 359,152,763.34
  5. Step 5: Solve for x
    x = 359,152,763.34/31,078.14
  6. Step 6: Final answer
    x = 11,556.44

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