Home / 53,824.99-80,742.99-20,573.04

Finding the Fourth Proportional to 53,824.99, 80,742.99 and 20,573.04

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Solution

The fourth proportional to 53,824.99, 80,742.99 and 20,573.04 is: 30,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824.99 : 80,742.99 = 20,573.04 : x
  2. Step 2: Convert to fraction form
    53,824.99/80,742.99 = 20,573.04/x
  3. Step 3: Cross multiply
    53,824.99x = 80,742.99 × 20,573.04
  4. Step 4: Simplify right side
    53,824.99x = 1,661,128,964.85
  5. Step 5: Solve for x
    x = 1,661,128,964.85/53,824.99
  6. Step 6: Final answer
    x = 30,861.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.