Home / 20,042.94-30,059.55-8,349.78

Finding the Fourth Proportional to 20,042.94, 30,059.55 and 8,349.78

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Solution

The fourth proportional to 20,042.94, 30,059.55 and 8,349.78 is: 12,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.94 : 30,059.55 = 8,349.78 : x
  2. Step 2: Convert to fraction form
    20,042.94/30,059.55 = 8,349.78/x
  3. Step 3: Cross multiply
    20,042.94x = 30,059.55 × 8,349.78
  4. Step 4: Simplify right side
    20,042.94x = 250,990,629.40
  5. Step 5: Solve for x
    x = 250,990,629.40/20,042.94
  6. Step 6: Final answer
    x = 12,522.65

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1.5x scale

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.