Home / 36,609.04-50,520.20-20,693.48

Finding the Fourth Proportional to 36,609.04, 50,520.20 and 20,693.48

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Solution

The fourth proportional to 36,609.04, 50,520.20 and 20,693.48 is: 28,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,609.04 : 50,520.20 = 20,693.48 : x
  2. Step 2: Convert to fraction form
    36,609.04/50,520.20 = 20,693.48/x
  3. Step 3: Cross multiply
    36,609.04x = 50,520.20 × 20,693.48
  4. Step 4: Simplify right side
    36,609.04x = 1,045,438,771.13
  5. Step 5: Solve for x
    x = 1,045,438,771.13/36,609.04
  6. Step 6: Final answer
    x = 28,556.85

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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.