Home / 30,410.61-41,986.38-27,218.37

Finding the Fourth Proportional to 30,410.61, 41,986.38 and 27,218.37

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Solution

The fourth proportional to 30,410.61, 41,986.38 and 27,218.37 is: 37,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.61 : 41,986.38 = 27,218.37 : x
  2. Step 2: Convert to fraction form
    30,410.61/41,986.38 = 27,218.37/x
  3. Step 3: Cross multiply
    30,410.61x = 41,986.38 × 27,218.37
  4. Step 4: Simplify right side
    30,410.61x = 1,142,801,085.32
  5. Step 5: Solve for x
    x = 1,142,801,085.32/30,410.61
  6. Step 6: Final answer
    x = 37,579.03

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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.