Home / 69,216.98-103,849.55-21,839.38

Finding the Fourth Proportional to 69,216.98, 103,849.55 and 21,839.38

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Solution

The fourth proportional to 69,216.98, 103,849.55 and 21,839.38 is: 32,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,216.98 : 103,849.55 = 21,839.38 : x
  2. Step 2: Convert to fraction form
    69,216.98/103,849.55 = 21,839.38/x
  3. Step 3: Cross multiply
    69,216.98x = 103,849.55 × 21,839.38
  4. Step 4: Simplify right side
    69,216.98x = 2,268,009,580.25
  5. Step 5: Solve for x
    x = 2,268,009,580.25/69,216.98
  6. Step 6: Final answer
    x = 32,766.67

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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.