Home / 38,110.36-57,163.36-11,814.28

Finding the Fourth Proportional to 38,110.36, 57,163.36 and 11,814.28

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Solution

The fourth proportional to 38,110.36, 57,163.36 and 11,814.28 is: 17,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.36 : 57,163.36 = 11,814.28 : x
  2. Step 2: Convert to fraction form
    38,110.36/57,163.36 = 11,814.28/x
  3. Step 3: Cross multiply
    38,110.36x = 57,163.36 × 11,814.28
  4. Step 4: Simplify right side
    38,110.36x = 675,343,940.78
  5. Step 5: Solve for x
    x = 675,343,940.78/38,110.36
  6. Step 6: Final answer
    x = 17,720.74

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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.