Home / 34,783.80-52,163.30-12,591.42

Finding the Fourth Proportional to 34,783.80, 52,163.30 and 12,591.42

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Solution

The fourth proportional to 34,783.80, 52,163.30 and 12,591.42 is: 18,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,783.80 : 52,163.30 = 12,591.42 : x
  2. Step 2: Convert to fraction form
    34,783.80/52,163.30 = 12,591.42/x
  3. Step 3: Cross multiply
    34,783.80x = 52,163.30 × 12,591.42
  4. Step 4: Simplify right side
    34,783.80x = 656,810,018.89
  5. Step 5: Solve for x
    x = 656,810,018.89/34,783.80
  6. Step 6: Final answer
    x = 18,882.64

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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.