Home / 36,012.12-49,695.54-20,099.22

Finding the Fourth Proportional to 36,012.12, 49,695.54 and 20,099.22

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Solution

The fourth proportional to 36,012.12, 49,695.54 and 20,099.22 is: 27,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.12 : 49,695.54 = 20,099.22 : x
  2. Step 2: Convert to fraction form
    36,012.12/49,695.54 = 20,099.22/x
  3. Step 3: Cross multiply
    36,012.12x = 49,695.54 × 20,099.22
  4. Step 4: Simplify right side
    36,012.12x = 998,841,591.48
  5. Step 5: Solve for x
    x = 998,841,591.48/36,012.12
  6. Step 6: Final answer
    x = 27,736.26

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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.