Home / 41,783.28-62,684.16-20,734.80

Finding the Fourth Proportional to 41,783.28, 62,684.16 and 20,734.80

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Solution

The fourth proportional to 41,783.28, 62,684.16 and 20,734.80 is: 31,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,783.28 : 62,684.16 = 20,734.80 : x
  2. Step 2: Convert to fraction form
    41,783.28/62,684.16 = 20,734.80/x
  3. Step 3: Cross multiply
    41,783.28x = 62,684.16 × 20,734.80
  4. Step 4: Simplify right side
    41,783.28x = 1,299,743,520.77
  5. Step 5: Solve for x
    x = 1,299,743,520.77/41,783.28
  6. Step 6: Final answer
    x = 31,106.79

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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.