Home / 79,344.24-119,015.83-20,179.40

Finding the Fourth Proportional to 79,344.24, 119,015.83 and 20,179.40

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Solution

The fourth proportional to 79,344.24, 119,015.83 and 20,179.40 is: 30,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,344.24 : 119,015.83 = 20,179.40 : x
  2. Step 2: Convert to fraction form
    79,344.24/119,015.83 = 20,179.40/x
  3. Step 3: Cross multiply
    79,344.24x = 119,015.83 × 20,179.40
  4. Step 4: Simplify right side
    79,344.24x = 2,401,667,470.05
  5. Step 5: Solve for x
    x = 2,401,667,470.05/79,344.24
  6. Step 6: Final answer
    x = 30,268.96

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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.