Home / 36,687.76-50,631.53-20,556.36

Finding the Fourth Proportional to 36,687.76, 50,631.53 and 20,556.36

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Solution

The fourth proportional to 36,687.76, 50,631.53 and 20,556.36 is: 28,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.76 : 50,631.53 = 20,556.36 : x
  2. Step 2: Convert to fraction form
    36,687.76/50,631.53 = 20,556.36/x
  3. Step 3: Cross multiply
    36,687.76x = 50,631.53 × 20,556.36
  4. Step 4: Simplify right side
    36,687.76x = 1,040,799,855.25
  5. Step 5: Solve for x
    x = 1,040,799,855.25/36,687.76
  6. Step 6: Final answer
    x = 28,369.13

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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.