Home / 57,962.94-86,919.33-20,016.21

Finding the Fourth Proportional to 57,962.94, 86,919.33 and 20,016.21

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Solution

The fourth proportional to 57,962.94, 86,919.33 and 20,016.21 is: 30,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,962.94 : 86,919.33 = 20,016.21 : x
  2. Step 2: Convert to fraction form
    57,962.94/86,919.33 = 20,016.21/x
  3. Step 3: Cross multiply
    57,962.94x = 86,919.33 × 20,016.21
  4. Step 4: Simplify right side
    57,962.94x = 1,739,795,850.76
  5. Step 5: Solve for x
    x = 1,739,795,850.76/57,962.94
  6. Step 6: Final answer
    x = 30,015.66

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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.