Home / 33,415.67-46,112.22-19,978.99

Finding the Fourth Proportional to 33,415.67, 46,112.22 and 19,978.99

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Solution

The fourth proportional to 33,415.67, 46,112.22 and 19,978.99 is: 27,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.67 : 46,112.22 = 19,978.99 : x
  2. Step 2: Convert to fraction form
    33,415.67/46,112.22 = 19,978.99/x
  3. Step 3: Cross multiply
    33,415.67x = 46,112.22 × 19,978.99
  4. Step 4: Simplify right side
    33,415.67x = 921,275,466.98
  5. Step 5: Solve for x
    x = 921,275,466.98/33,415.67
  6. Step 6: Final answer
    x = 27,570.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.