Home / 50,019.40-69,034.26-28,794.55

Finding the Fourth Proportional to 50,019.40, 69,034.26 and 28,794.55

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Solution

The fourth proportional to 50,019.40, 69,034.26 and 28,794.55 is: 39,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,019.40 : 69,034.26 = 28,794.55 : x
  2. Step 2: Convert to fraction form
    50,019.40/69,034.26 = 28,794.55/x
  3. Step 3: Cross multiply
    50,019.40x = 69,034.26 × 28,794.55
  4. Step 4: Simplify right side
    50,019.40x = 1,987,810,451.28
  5. Step 5: Solve for x
    x = 1,987,810,451.28/50,019.40
  6. Step 6: Final answer
    x = 39,740.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.