Home / 45,336.54-67,965.69-20,016.75

Finding the Fourth Proportional to 45,336.54, 67,965.69 and 20,016.75

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Solution

The fourth proportional to 45,336.54, 67,965.69 and 20,016.75 is: 30,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.54 : 67,965.69 = 20,016.75 : x
  2. Step 2: Convert to fraction form
    45,336.54/67,965.69 = 20,016.75/x
  3. Step 3: Cross multiply
    45,336.54x = 67,965.69 × 20,016.75
  4. Step 4: Simplify right side
    45,336.54x = 1,360,452,225.31
  5. Step 5: Solve for x
    x = 1,360,452,225.31/45,336.54
  6. Step 6: Final answer
    x = 30,007.85

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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.