Home / 31,310.72-46,972.23-11,589.44

Finding the Fourth Proportional to 31,310.72, 46,972.23 and 11,589.44

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Solution

The fourth proportional to 31,310.72, 46,972.23 and 11,589.44 is: 17,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.72 : 46,972.23 = 11,589.44 : x
  2. Step 2: Convert to fraction form
    31,310.72/46,972.23 = 11,589.44/x
  3. Step 3: Cross multiply
    31,310.72x = 46,972.23 × 11,589.44
  4. Step 4: Simplify right side
    31,310.72x = 544,381,958.68
  5. Step 5: Solve for x
    x = 544,381,958.68/31,310.72
  6. Step 6: Final answer
    x = 17,386.44

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1.5x scale

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.