Home / 33,420.09-46,118.37-19,983.42

Finding the Fourth Proportional to 33,420.09, 46,118.37 and 19,983.42

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Solution

The fourth proportional to 33,420.09, 46,118.37 and 19,983.42 is: 27,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.09 : 46,118.37 = 19,983.42 : x
  2. Step 2: Convert to fraction form
    33,420.09/46,118.37 = 19,983.42/x
  3. Step 3: Cross multiply
    33,420.09x = 46,118.37 × 19,983.42
  4. Step 4: Simplify right side
    33,420.09x = 921,602,757.43
  5. Step 5: Solve for x
    x = 921,602,757.43/33,420.09
  6. Step 6: Final answer
    x = 27,576.31

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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.