Home / 36,553.68-50,445.05-20,638.26

Finding the Fourth Proportional to 36,553.68, 50,445.05 and 20,638.26

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Solution

The fourth proportional to 36,553.68, 50,445.05 and 20,638.26 is: 28,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,553.68 : 50,445.05 = 20,638.26 : x
  2. Step 2: Convert to fraction form
    36,553.68/50,445.05 = 20,638.26/x
  3. Step 3: Cross multiply
    36,553.68x = 50,445.05 × 20,638.26
  4. Step 4: Simplify right side
    36,553.68x = 1,041,097,954.42
  5. Step 5: Solve for x
    x = 1,041,097,954.42/36,553.68
  6. Step 6: Final answer
    x = 28,481.34

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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.