Home / 50,279.84-75,419.72-12,839.92

Finding the Fourth Proportional to 50,279.84, 75,419.72 and 12,839.92

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Solution

The fourth proportional to 50,279.84, 75,419.72 and 12,839.92 is: 19,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.84 : 75,419.72 = 12,839.92 : x
  2. Step 2: Convert to fraction form
    50,279.84/75,419.72 = 12,839.92/x
  3. Step 3: Cross multiply
    50,279.84x = 75,419.72 × 12,839.92
  4. Step 4: Simplify right side
    50,279.84x = 968,383,171.22
  5. Step 5: Solve for x
    x = 968,383,171.22/50,279.84
  6. Step 6: Final answer
    x = 19,259.87

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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.