Home / 40,790.22-61,185.30-11,208.18

Finding the Fourth Proportional to 40,790.22, 61,185.30 and 11,208.18

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Solution

The fourth proportional to 40,790.22, 61,185.30 and 11,208.18 is: 16,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,790.22 : 61,185.30 = 11,208.18 : x
  2. Step 2: Convert to fraction form
    40,790.22/61,185.30 = 11,208.18/x
  3. Step 3: Cross multiply
    40,790.22x = 61,185.30 × 11,208.18
  4. Step 4: Simplify right side
    40,790.22x = 685,775,855.75
  5. Step 5: Solve for x
    x = 685,775,855.75/40,790.22
  6. Step 6: Final answer
    x = 16,812.26

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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.