Home / 57,928.36-79,921.56-36,704.56

Finding the Fourth Proportional to 57,928.36, 79,921.56 and 36,704.56

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Solution

The fourth proportional to 57,928.36, 79,921.56 and 36,704.56 is: 50,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.36 : 79,921.56 = 36,704.56 : x
  2. Step 2: Convert to fraction form
    57,928.36/79,921.56 = 36,704.56/x
  3. Step 3: Cross multiply
    57,928.36x = 79,921.56 × 36,704.56
  4. Step 4: Simplify right side
    57,928.36x = 2,933,485,694.31
  5. Step 5: Solve for x
    x = 2,933,485,694.31/57,928.36
  6. Step 6: Final answer
    x = 50,639.89

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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.