Home / 33,017.40-49,453.20-21,207.60

Finding the Fourth Proportional to 33,017.40, 49,453.20 and 21,207.60

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Solution

The fourth proportional to 33,017.40, 49,453.20 and 21,207.60 is: 31,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,017.40 : 49,453.20 = 21,207.60 : x
  2. Step 2: Convert to fraction form
    33,017.40/49,453.20 = 21,207.60/x
  3. Step 3: Cross multiply
    33,017.40x = 49,453.20 × 21,207.60
  4. Step 4: Simplify right side
    33,017.40x = 1,048,783,684.32
  5. Step 5: Solve for x
    x = 1,048,783,684.32/33,017.40
  6. Step 6: Final answer
    x = 31,764.58

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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.