Home / 50,881.32-70,216.74-28,220.66

Finding the Fourth Proportional to 50,881.32, 70,216.74 and 28,220.66

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Solution

The fourth proportional to 50,881.32, 70,216.74 and 28,220.66 is: 38,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.32 : 70,216.74 = 28,220.66 : x
  2. Step 2: Convert to fraction form
    50,881.32/70,216.74 = 28,220.66/x
  3. Step 3: Cross multiply
    50,881.32x = 70,216.74 × 28,220.66
  4. Step 4: Simplify right side
    50,881.32x = 1,981,562,745.85
  5. Step 5: Solve for x
    x = 1,981,562,745.85/50,881.32
  6. Step 6: Final answer
    x = 38,944.80

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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.