Home / 33,775.76-50,637.72-20,631.44

Finding the Fourth Proportional to 33,775.76, 50,637.72 and 20,631.44

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Solution

The fourth proportional to 33,775.76, 50,637.72 and 20,631.44 is: 30,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,775.76 : 50,637.72 = 20,631.44 : x
  2. Step 2: Convert to fraction form
    33,775.76/50,637.72 = 20,631.44/x
  3. Step 3: Cross multiply
    33,775.76x = 50,637.72 × 20,631.44
  4. Step 4: Simplify right side
    33,775.76x = 1,044,729,081.92
  5. Step 5: Solve for x
    x = 1,044,729,081.92/33,775.76
  6. Step 6: Final answer
    x = 30,931.33

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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.