Home / 33,986.20-50,979.30-15,518.20

Finding the Fourth Proportional to 33,986.20, 50,979.30 and 15,518.20

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Solution

The fourth proportional to 33,986.20, 50,979.30 and 15,518.20 is: 23,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,986.20 : 50,979.30 = 15,518.20 : x
  2. Step 2: Convert to fraction form
    33,986.20/50,979.30 = 15,518.20/x
  3. Step 3: Cross multiply
    33,986.20x = 50,979.30 × 15,518.20
  4. Step 4: Simplify right side
    33,986.20x = 791,106,973.26
  5. Step 5: Solve for x
    x = 791,106,973.26/33,986.20
  6. Step 6: Final answer
    x = 23,277.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.