Home / 50,836.13-76,265.36-20,850.54

Finding the Fourth Proportional to 50,836.13, 76,265.36 and 20,850.54

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Solution

The fourth proportional to 50,836.13, 76,265.36 and 20,850.54 is: 31,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,836.13 : 76,265.36 = 20,850.54 : x
  2. Step 2: Convert to fraction form
    50,836.13/76,265.36 = 20,850.54/x
  3. Step 3: Cross multiply
    50,836.13x = 76,265.36 × 20,850.54
  4. Step 4: Simplify right side
    50,836.13x = 1,590,173,871.05
  5. Step 5: Solve for x
    x = 1,590,173,871.05/50,836.13
  6. Step 6: Final answer
    x = 31,280.39

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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.