Home / 57,447.56-86,172.42-18,003.80

Finding the Fourth Proportional to 57,447.56, 86,172.42 and 18,003.80

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Solution

The fourth proportional to 57,447.56, 86,172.42 and 18,003.80 is: 27,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447.56 : 86,172.42 = 18,003.80 : x
  2. Step 2: Convert to fraction form
    57,447.56/86,172.42 = 18,003.80/x
  3. Step 3: Cross multiply
    57,447.56x = 86,172.42 × 18,003.80
  4. Step 4: Simplify right side
    57,447.56x = 1,551,431,015.20
  5. Step 5: Solve for x
    x = 1,551,431,015.20/57,447.56
  6. Step 6: Final answer
    x = 27,006.04

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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.