Home / 33,342.44-46,003.64-20,428.56

Finding the Fourth Proportional to 33,342.44, 46,003.64 and 20,428.56

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Solution

The fourth proportional to 33,342.44, 46,003.64 and 20,428.56 is: 28,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,342.44 : 46,003.64 = 20,428.56 : x
  2. Step 2: Convert to fraction form
    33,342.44/46,003.64 = 20,428.56/x
  3. Step 3: Cross multiply
    33,342.44x = 46,003.64 × 20,428.56
  4. Step 4: Simplify right side
    33,342.44x = 939,788,017.82
  5. Step 5: Solve for x
    x = 939,788,017.82/33,342.44
  6. Step 6: Final answer
    x = 28,185.94

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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.