Home / 33,628.08-50,445.78-12,578.22

Finding the Fourth Proportional to 33,628.08, 50,445.78 and 12,578.22

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Solution

The fourth proportional to 33,628.08, 50,445.78 and 12,578.22 is: 18,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.08 : 50,445.78 = 12,578.22 : x
  2. Step 2: Convert to fraction form
    33,628.08/50,445.78 = 12,578.22/x
  3. Step 3: Cross multiply
    33,628.08x = 50,445.78 × 12,578.22
  4. Step 4: Simplify right side
    33,628.08x = 634,518,118.91
  5. Step 5: Solve for x
    x = 634,518,118.91/33,628.08
  6. Step 6: Final answer
    x = 18,868.70

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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.