Home / 51,161.54-70,600.17-28,190.64

Finding the Fourth Proportional to 51,161.54, 70,600.17 and 28,190.64

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Solution

The fourth proportional to 51,161.54, 70,600.17 and 28,190.64 is: 38,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,161.54 : 70,600.17 = 28,190.64 : x
  2. Step 2: Convert to fraction form
    51,161.54/70,600.17 = 28,190.64/x
  3. Step 3: Cross multiply
    51,161.54x = 70,600.17 × 28,190.64
  4. Step 4: Simplify right side
    51,161.54x = 1,990,263,976.41
  5. Step 5: Solve for x
    x = 1,990,263,976.41/51,161.54
  6. Step 6: Final answer
    x = 38,901.57

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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.