Home / 61,045.94-91,571.34-18,930.39

Finding the Fourth Proportional to 61,045.94, 91,571.34 and 18,930.39

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Solution

The fourth proportional to 61,045.94, 91,571.34 and 18,930.39 is: 28,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,045.94 : 91,571.34 = 18,930.39 : x
  2. Step 2: Convert to fraction form
    61,045.94/91,571.34 = 18,930.39/x
  3. Step 3: Cross multiply
    61,045.94x = 91,571.34 × 18,930.39
  4. Step 4: Simplify right side
    61,045.94x = 1,733,481,179.02
  5. Step 5: Solve for x
    x = 1,733,481,179.02/61,045.94
  6. Step 6: Final answer
    x = 28,396.34

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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.