Home / 33,422.12-50,134.72-13,686.84

Finding the Fourth Proportional to 33,422.12, 50,134.72 and 13,686.84

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Solution

The fourth proportional to 33,422.12, 50,134.72 and 13,686.84 is: 20,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.12 : 50,134.72 = 13,686.84 : x
  2. Step 2: Convert to fraction form
    33,422.12/50,134.72 = 13,686.84/x
  3. Step 3: Cross multiply
    33,422.12x = 50,134.72 × 13,686.84
  4. Step 4: Simplify right side
    33,422.12x = 686,185,891.08
  5. Step 5: Solve for x
    x = 686,185,891.08/33,422.12
  6. Step 6: Final answer
    x = 20,530.89

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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.