Home / 33,038.70-49,456.80-18,202.20

Finding the Fourth Proportional to 33,038.70, 49,456.80 and 18,202.20

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Solution

The fourth proportional to 33,038.70, 49,456.80 and 18,202.20 is: 27,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,038.70 : 49,456.80 = 18,202.20 : x
  2. Step 2: Convert to fraction form
    33,038.70/49,456.80 = 18,202.20/x
  3. Step 3: Cross multiply
    33,038.70x = 49,456.80 × 18,202.20
  4. Step 4: Simplify right side
    33,038.70x = 900,222,564.96
  5. Step 5: Solve for x
    x = 900,222,564.96/33,038.70
  6. Step 6: Final answer
    x = 27,247.52

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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.