Home / 31,119.53-46,679.19-7,745.96

Finding the Fourth Proportional to 31,119.53, 46,679.19 and 7,745.96

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Solution

The fourth proportional to 31,119.53, 46,679.19 and 7,745.96 is: 11,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119.53 : 46,679.19 = 7,745.96 : x
  2. Step 2: Convert to fraction form
    31,119.53/46,679.19 = 7,745.96/x
  3. Step 3: Cross multiply
    31,119.53x = 46,679.19 × 7,745.96
  4. Step 4: Simplify right side
    31,119.53x = 361,574,905.18
  5. Step 5: Solve for x
    x = 361,574,905.18/31,119.53
  6. Step 6: Final answer
    x = 11,618.91

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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.