Home / 30,971.22-46,425.06-12,243.66

Finding the Fourth Proportional to 30,971.22, 46,425.06 and 12,243.66

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Solution

The fourth proportional to 30,971.22, 46,425.06 and 12,243.66 is: 18,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,971.22 : 46,425.06 = 12,243.66 : x
  2. Step 2: Convert to fraction form
    30,971.22/46,425.06 = 12,243.66/x
  3. Step 3: Cross multiply
    30,971.22x = 46,425.06 × 12,243.66
  4. Step 4: Simplify right side
    30,971.22x = 568,412,650.12
  5. Step 5: Solve for x
    x = 568,412,650.12/30,971.22
  6. Step 6: Final answer
    x = 18,352.93

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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.