Home / 57,858.28-86,794.26-20,410.54

Finding the Fourth Proportional to 57,858.28, 86,794.26 and 20,410.54

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Solution

The fourth proportional to 57,858.28, 86,794.26 and 20,410.54 is: 30,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,858.28 : 86,794.26 = 20,410.54 : x
  2. Step 2: Convert to fraction form
    57,858.28/86,794.26 = 20,410.54/x
  3. Step 3: Cross multiply
    57,858.28x = 86,794.26 × 20,410.54
  4. Step 4: Simplify right side
    57,858.28x = 1,771,517,715.50
  5. Step 5: Solve for x
    x = 1,771,517,715.50/57,858.28
  6. Step 6: Final answer
    x = 30,618.22

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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.