Home / 50,930.24-70,284.48-28,270.69

Finding the Fourth Proportional to 50,930.24, 70,284.48 and 28,270.69

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Solution

The fourth proportional to 50,930.24, 70,284.48 and 28,270.69 is: 39,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.24 : 70,284.48 = 28,270.69 : x
  2. Step 2: Convert to fraction form
    50,930.24/70,284.48 = 28,270.69/x
  3. Step 3: Cross multiply
    50,930.24x = 70,284.48 × 28,270.69
  4. Step 4: Simplify right side
    50,930.24x = 1,986,990,745.89
  5. Step 5: Solve for x
    x = 1,986,990,745.89/50,930.24
  6. Step 6: Final answer
    x = 39,013.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.