Home / 36,984.48-51,043.36-21,074.64

Finding the Fourth Proportional to 36,984.48, 51,043.36 and 21,074.64

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Solution

The fourth proportional to 36,984.48, 51,043.36 and 21,074.64 is: 29,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,984.48 : 51,043.36 = 21,074.64 : x
  2. Step 2: Convert to fraction form
    36,984.48/51,043.36 = 21,074.64/x
  3. Step 3: Cross multiply
    36,984.48x = 51,043.36 × 21,074.64
  4. Step 4: Simplify right side
    36,984.48x = 1,075,720,436.39
  5. Step 5: Solve for x
    x = 1,075,720,436.39/36,984.48
  6. Step 6: Final answer
    x = 29,085.73

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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.