Home / 31,215.36-46,817.89-13,441.22

Finding the Fourth Proportional to 31,215.36, 46,817.89 and 13,441.22

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Solution

The fourth proportional to 31,215.36, 46,817.89 and 13,441.22 is: 20,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.36 : 46,817.89 = 13,441.22 : x
  2. Step 2: Convert to fraction form
    31,215.36/46,817.89 = 13,441.22/x
  3. Step 3: Cross multiply
    31,215.36x = 46,817.89 × 13,441.22
  4. Step 4: Simplify right side
    31,215.36x = 629,289,559.43
  5. Step 5: Solve for x
    x = 629,289,559.43/31,215.36
  6. Step 6: Final answer
    x = 20,159.61

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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.