Home / 67,072.94-100,598.25-20,314.70

Finding the Fourth Proportional to 67,072.94, 100,598.25 and 20,314.70

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Solution

The fourth proportional to 67,072.94, 100,598.25 and 20,314.70 is: 30,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,072.94 : 100,598.25 = 20,314.70 : x
  2. Step 2: Convert to fraction form
    67,072.94/100,598.25 = 20,314.70/x
  3. Step 3: Cross multiply
    67,072.94x = 100,598.25 × 20,314.70
  4. Step 4: Simplify right side
    67,072.94x = 2,043,623,269.28
  5. Step 5: Solve for x
    x = 2,043,623,269.28/67,072.94
  6. Step 6: Final answer
    x = 30,468.67

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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.