Home / 36,741.36-55,115.28-11,782.56

Finding the Fourth Proportional to 36,741.36, 55,115.28 and 11,782.56

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Solution

The fourth proportional to 36,741.36, 55,115.28 and 11,782.56 is: 17,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,741.36 : 55,115.28 = 11,782.56 : x
  2. Step 2: Convert to fraction form
    36,741.36/55,115.28 = 11,782.56/x
  3. Step 3: Cross multiply
    36,741.36x = 55,115.28 × 11,782.56
  4. Step 4: Simplify right side
    36,741.36x = 649,399,093.52
  5. Step 5: Solve for x
    x = 649,399,093.52/36,741.36
  6. Step 6: Final answer
    x = 17,674.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.