Home / 74,450.44-111,676.32-21,860.80

Finding the Fourth Proportional to 74,450.44, 111,676.32 and 21,860.80

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Solution

The fourth proportional to 74,450.44, 111,676.32 and 21,860.80 is: 32,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,450.44 : 111,676.32 = 21,860.80 : x
  2. Step 2: Convert to fraction form
    74,450.44/111,676.32 = 21,860.80/x
  3. Step 3: Cross multiply
    74,450.44x = 111,676.32 × 21,860.80
  4. Step 4: Simplify right side
    74,450.44x = 2,441,333,696.26
  5. Step 5: Solve for x
    x = 2,441,333,696.26/74,450.44
  6. Step 6: Final answer
    x = 32,791.39

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1.5x scale

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.