Home / 36,918.36-50,948.56-20,151.36

Finding the Fourth Proportional to 36,918.36, 50,948.56 and 20,151.36

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Solution

The fourth proportional to 36,918.36, 50,948.56 and 20,151.36 is: 27,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918.36 : 50,948.56 = 20,151.36 : x
  2. Step 2: Convert to fraction form
    36,918.36/50,948.56 = 20,151.36/x
  3. Step 3: Cross multiply
    36,918.36x = 50,948.56 × 20,151.36
  4. Step 4: Simplify right side
    36,918.36x = 1,026,682,774.04
  5. Step 5: Solve for x
    x = 1,026,682,774.04/36,918.36
  6. Step 6: Final answer
    x = 27,809.54

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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.