Home / 66,971.93-100,388.03-22,583.42

Finding the Fourth Proportional to 66,971.93, 100,388.03 and 22,583.42

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Solution

The fourth proportional to 66,971.93, 100,388.03 and 22,583.42 is: 33,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,971.93 : 100,388.03 = 22,583.42 : x
  2. Step 2: Convert to fraction form
    66,971.93/100,388.03 = 22,583.42/x
  3. Step 3: Cross multiply
    66,971.93x = 100,388.03 × 22,583.42
  4. Step 4: Simplify right side
    66,971.93x = 2,267,105,351.89
  5. Step 5: Solve for x
    x = 2,267,105,351.89/66,971.93
  6. Step 6: Final answer
    x = 33,851.57

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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.