Home / 31,110.53-46,665.78-7,736.96

Finding the Fourth Proportional to 31,110.53, 46,665.78 and 7,736.96

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Solution

The fourth proportional to 31,110.53, 46,665.78 and 7,736.96 is: 11,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.53 : 46,665.78 = 7,736.96 : x
  2. Step 2: Convert to fraction form
    31,110.53/46,665.78 = 7,736.96/x
  3. Step 3: Cross multiply
    31,110.53x = 46,665.78 × 7,736.96
  4. Step 4: Simplify right side
    31,110.53x = 361,051,389.89
  5. Step 5: Solve for x
    x = 361,051,389.89/31,110.53
  6. Step 6: Final answer
    x = 11,605.44

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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.