Home / 74,603.88-111,905.82-30,222.36

Finding the Fourth Proportional to 74,603.88, 111,905.82 and 30,222.36

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Solution

The fourth proportional to 74,603.88, 111,905.82 and 30,222.36 is: 45,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,603.88 : 111,905.82 = 30,222.36 : x
  2. Step 2: Convert to fraction form
    74,603.88/111,905.82 = 30,222.36/x
  3. Step 3: Cross multiply
    74,603.88x = 111,905.82 × 30,222.36
  4. Step 4: Simplify right side
    74,603.88x = 3,382,057,978.14
  5. Step 5: Solve for x
    x = 3,382,057,978.14/74,603.88
  6. Step 6: Final answer
    x = 45,333.54

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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.