Home / 66,888.62-100,331.79-22,515.37

Finding the Fourth Proportional to 66,888.62, 100,331.79 and 22,515.37

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Solution

The fourth proportional to 66,888.62, 100,331.79 and 22,515.37 is: 33,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,888.62 : 100,331.79 = 22,515.37 : x
  2. Step 2: Convert to fraction form
    66,888.62/100,331.79 = 22,515.37/x
  3. Step 3: Cross multiply
    66,888.62x = 100,331.79 × 22,515.37
  4. Step 4: Simplify right side
    66,888.62x = 2,259,007,415.59
  5. Step 5: Solve for x
    x = 2,259,007,415.59/66,888.62
  6. Step 6: Final answer
    x = 33,772.67

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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.