Home / 57,102.57-85,529.13-23,721.43

Finding the Fourth Proportional to 57,102.57, 85,529.13 and 23,721.43

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Solution

The fourth proportional to 57,102.57, 85,529.13 and 23,721.43 is: 35,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102.57 : 85,529.13 = 23,721.43 : x
  2. Step 2: Convert to fraction form
    57,102.57/85,529.13 = 23,721.43/x
  3. Step 3: Cross multiply
    57,102.57x = 85,529.13 × 23,721.43
  4. Step 4: Simplify right side
    57,102.57x = 2,028,873,401.75
  5. Step 5: Solve for x
    x = 2,028,873,401.75/57,102.57
  6. Step 6: Final answer
    x = 35,530.33

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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.