Home / 31,219.26-46,828.92-12,751.26

Finding the Fourth Proportional to 31,219.26, 46,828.92 and 12,751.26

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Solution

The fourth proportional to 31,219.26, 46,828.92 and 12,751.26 is: 19,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.26 : 46,828.92 = 12,751.26 : x
  2. Step 2: Convert to fraction form
    31,219.26/46,828.92 = 12,751.26/x
  3. Step 3: Cross multiply
    31,219.26x = 46,828.92 × 12,751.26
  4. Step 4: Simplify right side
    31,219.26x = 597,127,734.44
  5. Step 5: Solve for x
    x = 597,127,734.44/31,219.26
  6. Step 6: Final answer
    x = 19,126.90

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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.