Home / 57,231.64-85,808.94-22,130.20

Finding the Fourth Proportional to 57,231.64, 85,808.94 and 22,130.20

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Solution

The fourth proportional to 57,231.64, 85,808.94 and 22,130.20 is: 33,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,231.64 : 85,808.94 = 22,130.20 : x
  2. Step 2: Convert to fraction form
    57,231.64/85,808.94 = 22,130.20/x
  3. Step 3: Cross multiply
    57,231.64x = 85,808.94 × 22,130.20
  4. Step 4: Simplify right side
    57,231.64x = 1,898,969,003.99
  5. Step 5: Solve for x
    x = 1,898,969,003.99/57,231.64
  6. Step 6: Final answer
    x = 33,180.41

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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.