Home / 36,556.92-50,443.56-20,638.80

Finding the Fourth Proportional to 36,556.92, 50,443.56 and 20,638.80

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Solution

The fourth proportional to 36,556.92, 50,443.56 and 20,638.80 is: 28,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.92 : 50,443.56 = 20,638.80 : x
  2. Step 2: Convert to fraction form
    36,556.92/50,443.56 = 20,638.80/x
  3. Step 3: Cross multiply
    36,556.92x = 50,443.56 × 20,638.80
  4. Step 4: Simplify right side
    36,556.92x = 1,041,094,546.13
  5. Step 5: Solve for x
    x = 1,041,094,546.13/36,556.92
  6. Step 6: Final answer
    x = 28,478.73

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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.