Home / 36,856.32-50,861.74-20,940.80

Finding the Fourth Proportional to 36,856.32, 50,861.74 and 20,940.80

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Solution

The fourth proportional to 36,856.32, 50,861.74 and 20,940.80 is: 28,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,856.32 : 50,861.74 = 20,940.80 : x
  2. Step 2: Convert to fraction form
    36,856.32/50,861.74 = 20,940.80/x
  3. Step 3: Cross multiply
    36,856.32x = 50,861.74 × 20,940.80
  4. Step 4: Simplify right side
    36,856.32x = 1,065,085,524.99
  5. Step 5: Solve for x
    x = 1,065,085,524.99/36,856.32
  6. Step 6: Final answer
    x = 28,898.31

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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.