Home / 50,040.28-69,055.64-28,819.60

Finding the Fourth Proportional to 50,040.28, 69,055.64 and 28,819.60

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Solution

The fourth proportional to 50,040.28, 69,055.64 and 28,819.60 is: 39,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,040.28 : 69,055.64 = 28,819.60 : x
  2. Step 2: Convert to fraction form
    50,040.28/69,055.64 = 28,819.60/x
  3. Step 3: Cross multiply
    50,040.28x = 69,055.64 × 28,819.60
  4. Step 4: Simplify right side
    50,040.28x = 1,990,155,713.88
  5. Step 5: Solve for x
    x = 1,990,155,713.88/50,040.28
  6. Step 6: Final answer
    x = 39,771.07

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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.