Home / 31,212.22-46,811.40-9,020.74

Finding the Fourth Proportional to 31,212.22, 46,811.40 and 9,020.74

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Solution

The fourth proportional to 31,212.22, 46,811.40 and 9,020.74 is: 13,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.22 : 46,811.40 = 9,020.74 : x
  2. Step 2: Convert to fraction form
    31,212.22/46,811.40 = 9,020.74/x
  3. Step 3: Cross multiply
    31,212.22x = 46,811.40 × 9,020.74
  4. Step 4: Simplify right side
    31,212.22x = 422,273,468.44
  5. Step 5: Solve for x
    x = 422,273,468.44/31,212.22
  6. Step 6: Final answer
    x = 13,529.11

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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.