Home / 50,995.80-70,375.08-28,336.86

Finding the Fourth Proportional to 50,995.80, 70,375.08 and 28,336.86

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Solution

The fourth proportional to 50,995.80, 70,375.08 and 28,336.86 is: 39,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,995.80 : 70,375.08 = 28,336.86 : x
  2. Step 2: Convert to fraction form
    50,995.80/70,375.08 = 28,336.86/x
  3. Step 3: Cross multiply
    50,995.80x = 70,375.08 × 28,336.86
  4. Step 4: Simplify right side
    50,995.80x = 1,994,208,789.45
  5. Step 5: Solve for x
    x = 1,994,208,789.45/50,995.80
  6. Step 6: Final answer
    x = 39,105.35

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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.