Home / 33,423.84-50,134.74-13,687.54

Finding the Fourth Proportional to 33,423.84, 50,134.74 and 13,687.54

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Solution

The fourth proportional to 33,423.84, 50,134.74 and 13,687.54 is: 20,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,423.84 : 50,134.74 = 13,687.54 : x
  2. Step 2: Convert to fraction form
    33,423.84/50,134.74 = 13,687.54/x
  3. Step 3: Cross multiply
    33,423.84x = 50,134.74 × 13,687.54
  4. Step 4: Simplify right side
    33,423.84x = 686,221,133.80
  5. Step 5: Solve for x
    x = 686,221,133.80/33,423.84
  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.