Home / 31,311.22-46,972.98-11,589.94

Finding the Fourth Proportional to 31,311.22, 46,972.98 and 11,589.94

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Solution

The fourth proportional to 31,311.22, 46,972.98 and 11,589.94 is: 17,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,311.22 : 46,972.98 = 11,589.94 : x
  2. Step 2: Convert to fraction form
    31,311.22/46,972.98 = 11,589.94/x
  3. Step 3: Cross multiply
    31,311.22x = 46,972.98 × 11,589.94
  4. Step 4: Simplify right side
    31,311.22x = 544,414,019.82
  5. Step 5: Solve for x
    x = 544,414,019.82/31,311.22
  6. Step 6: Final answer
    x = 17,387.19

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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.