Home / 33,015.80-49,537.38-18,223.40

Finding the Fourth Proportional to 33,015.80, 49,537.38 and 18,223.40

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Solution

The fourth proportional to 33,015.80, 49,537.38 and 18,223.40 is: 27,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.80 : 49,537.38 = 18,223.40 : x
  2. Step 2: Convert to fraction form
    33,015.80/49,537.38 = 18,223.40/x
  3. Step 3: Cross multiply
    33,015.80x = 49,537.38 × 18,223.40
  4. Step 4: Simplify right side
    33,015.80x = 902,739,490.69
  5. Step 5: Solve for x
    x = 902,739,490.69/33,015.80
  6. Step 6: Final answer
    x = 27,342.65

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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.