Home / 50,290.92-75,436.41-18,700.33

Finding the Fourth Proportional to 50,290.92, 75,436.41 and 18,700.33

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Solution

The fourth proportional to 50,290.92, 75,436.41 and 18,700.33 is: 28,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,290.92 : 75,436.41 = 18,700.33 : x
  2. Step 2: Convert to fraction form
    50,290.92/75,436.41 = 18,700.33/x
  3. Step 3: Cross multiply
    50,290.92x = 75,436.41 × 18,700.33
  4. Step 4: Simplify right side
    50,290.92x = 1,410,685,771.74
  5. Step 5: Solve for x
    x = 1,410,685,771.74/50,290.92
  6. Step 6: Final answer
    x = 28,050.51

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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.