Home / 35,912.60-49,553.58-20,806.64

Finding the Fourth Proportional to 35,912.60, 49,553.58 and 20,806.64

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Solution

The fourth proportional to 35,912.60, 49,553.58 and 20,806.64 is: 28,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.60 : 49,553.58 = 20,806.64 : x
  2. Step 2: Convert to fraction form
    35,912.60/49,553.58 = 20,806.64/x
  3. Step 3: Cross multiply
    35,912.60x = 49,553.58 × 20,806.64
  4. Step 4: Simplify right side
    35,912.60x = 1,031,043,499.77
  5. Step 5: Solve for x
    x = 1,031,043,499.77/35,912.60
  6. Step 6: Final answer
    x = 28,709.80

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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.