Home / 57,455.15-86,183.11-20,015.93

Finding the Fourth Proportional to 57,455.15, 86,183.11 and 20,015.93

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Solution

The fourth proportional to 57,455.15, 86,183.11 and 20,015.93 is: 30,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.15 : 86,183.11 = 20,015.93 : x
  2. Step 2: Convert to fraction form
    57,455.15/86,183.11 = 20,015.93/x
  3. Step 3: Cross multiply
    57,455.15x = 86,183.11 × 20,015.93
  4. Step 4: Simplify right side
    57,455.15x = 1,725,035,096.94
  5. Step 5: Solve for x
    x = 1,725,035,096.94/57,455.15
  6. Step 6: Final answer
    x = 30,024.03

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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.