Home / 79,344.11-119,015.65-20,179.27

Finding the Fourth Proportional to 79,344.11, 119,015.65 and 20,179.27

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Solution

The fourth proportional to 79,344.11, 119,015.65 and 20,179.27 is: 30,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,344.11 : 119,015.65 = 20,179.27 : x
  2. Step 2: Convert to fraction form
    79,344.11/119,015.65 = 20,179.27/x
  3. Step 3: Cross multiply
    79,344.11x = 119,015.65 × 20,179.27
  4. Step 4: Simplify right side
    79,344.11x = 2,401,648,340.50
  5. Step 5: Solve for x
    x = 2,401,648,340.50/79,344.11
  6. Step 6: Final answer
    x = 30,268.77

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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.