Home / 50,708.20-69,982.41-28,048.90

Finding the Fourth Proportional to 50,708.20, 69,982.41 and 28,048.90

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Solution

The fourth proportional to 50,708.20, 69,982.41 and 28,048.90 is: 38,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,708.20 : 69,982.41 = 28,048.90 : x
  2. Step 2: Convert to fraction form
    50,708.20/69,982.41 = 28,048.90/x
  3. Step 3: Cross multiply
    50,708.20x = 69,982.41 × 28,048.90
  4. Step 4: Simplify right side
    50,708.20x = 1,962,929,619.85
  5. Step 5: Solve for x
    x = 1,962,929,619.85/50,708.20
  6. Step 6: Final answer
    x = 38,710.30

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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.