Home / 57,235.20-85,812.80-33,849.60

Finding the Fourth Proportional to 57,235.20, 85,812.80 and 33,849.60

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Solution

The fourth proportional to 57,235.20, 85,812.80 and 33,849.60 is: 50,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,235.20 : 85,812.80 = 33,849.60 : x
  2. Step 2: Convert to fraction form
    57,235.20/85,812.80 = 33,849.60/x
  3. Step 3: Cross multiply
    57,235.20x = 85,812.80 × 33,849.60
  4. Step 4: Simplify right side
    57,235.20x = 2,904,728,954.88
  5. Step 5: Solve for x
    x = 2,904,728,954.88/57,235.20
  6. Step 6: Final answer
    x = 50,750.74

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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.