Home / 50,461.94-75,636.33-20,469.21

Finding the Fourth Proportional to 50,461.94, 75,636.33 and 20,469.21

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Solution

The fourth proportional to 50,461.94, 75,636.33 and 20,469.21 is: 30,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,461.94 : 75,636.33 = 20,469.21 : x
  2. Step 2: Convert to fraction form
    50,461.94/75,636.33 = 20,469.21/x
  3. Step 3: Cross multiply
    50,461.94x = 75,636.33 × 20,469.21
  4. Step 4: Simplify right side
    50,461.94x = 1,548,215,677.14
  5. Step 5: Solve for x
    x = 1,548,215,677.14/50,461.94
  6. Step 6: Final answer
    x = 30,680.86

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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.