Home / 69,534.84-104,307.43-18,942.55

Finding the Fourth Proportional to 69,534.84, 104,307.43 and 18,942.55

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Solution

The fourth proportional to 69,534.84, 104,307.43 and 18,942.55 is: 28,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,534.84 : 104,307.43 = 18,942.55 : x
  2. Step 2: Convert to fraction form
    69,534.84/104,307.43 = 18,942.55/x
  3. Step 3: Cross multiply
    69,534.84x = 104,307.43 × 18,942.55
  4. Step 4: Simplify right side
    69,534.84x = 1,975,848,708.15
  5. Step 5: Solve for x
    x = 1,975,848,708.15/69,534.84
  6. Step 6: Final answer
    x = 28,415.23

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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.