Home / 31,102.11-46,670.99-11,378.07

Finding the Fourth Proportional to 31,102.11, 46,670.99 and 11,378.07

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Solution

The fourth proportional to 31,102.11, 46,670.99 and 11,378.07 is: 17,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102.11 : 46,670.99 = 11,378.07 : x
  2. Step 2: Convert to fraction form
    31,102.11/46,670.99 = 11,378.07/x
  3. Step 3: Cross multiply
    31,102.11x = 46,670.99 × 11,378.07
  4. Step 4: Simplify right side
    31,102.11x = 531,025,734.30
  5. Step 5: Solve for x
    x = 531,025,734.30/31,102.11
  6. Step 6: Final answer
    x = 17,073.62

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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.