Home / 33,622.09-50,436.78-12,572.21

Finding the Fourth Proportional to 33,622.09, 50,436.78 and 12,572.21

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Solution

The fourth proportional to 33,622.09, 50,436.78 and 12,572.21 is: 18,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,622.09 : 50,436.78 = 12,572.21 : x
  2. Step 2: Convert to fraction form
    33,622.09/50,436.78 = 12,572.21/x
  3. Step 3: Cross multiply
    33,622.09x = 50,436.78 × 12,572.21
  4. Step 4: Simplify right side
    33,622.09x = 634,101,868.83
  5. Step 5: Solve for x
    x = 634,101,868.83/33,622.09
  6. Step 6: Final answer
    x = 18,859.68

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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.