Home / 33,008.40-49,512.60-20,607.30

Finding the Fourth Proportional to 33,008.40, 49,512.60 and 20,607.30

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Solution

The fourth proportional to 33,008.40, 49,512.60 and 20,607.30 is: 30,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,008.40 : 49,512.60 = 20,607.30 : x
  2. Step 2: Convert to fraction form
    33,008.40/49,512.60 = 20,607.30/x
  3. Step 3: Cross multiply
    33,008.40x = 49,512.60 × 20,607.30
  4. Step 4: Simplify right side
    33,008.40x = 1,020,321,001.98
  5. Step 5: Solve for x
    x = 1,020,321,001.98/33,008.40
  6. Step 6: Final answer
    x = 30,910.95

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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.