Home / 43,157.73-64,745.41-18,197.80

Finding the Fourth Proportional to 43,157.73, 64,745.41 and 18,197.80

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Solution

The fourth proportional to 43,157.73, 64,745.41 and 18,197.80 is: 27,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.73 : 64,745.41 = 18,197.80 : x
  2. Step 2: Convert to fraction form
    43,157.73/64,745.41 = 18,197.80/x
  3. Step 3: Cross multiply
    43,157.73x = 64,745.41 × 18,197.80
  4. Step 4: Simplify right side
    43,157.73x = 1,178,224,022.10
  5. Step 5: Solve for x
    x = 1,178,224,022.10/43,157.73
  6. Step 6: Final answer
    x = 27,300.42

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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.