Home / 36,986.19-51,028.47-21,059.39

Finding the Fourth Proportional to 36,986.19, 51,028.47 and 21,059.39

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Solution

The fourth proportional to 36,986.19, 51,028.47 and 21,059.39 is: 29,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.19 : 51,028.47 = 21,059.39 : x
  2. Step 2: Convert to fraction form
    36,986.19/51,028.47 = 21,059.39/x
  3. Step 3: Cross multiply
    36,986.19x = 51,028.47 × 21,059.39
  4. Step 4: Simplify right side
    36,986.19x = 1,074,628,195.69
  5. Step 5: Solve for x
    x = 1,074,628,195.69/36,986.19
  6. Step 6: Final answer
    x = 29,054.85

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Double scale
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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.