Home / 45,197.32-67,768.64-20,232.72

Finding the Fourth Proportional to 45,197.32, 67,768.64 and 20,232.72

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Solution

The fourth proportional to 45,197.32, 67,768.64 and 20,232.72 is: 30,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,197.32 : 67,768.64 = 20,232.72 : x
  2. Step 2: Convert to fraction form
    45,197.32/67,768.64 = 20,232.72/x
  3. Step 3: Cross multiply
    45,197.32x = 67,768.64 × 20,232.72
  4. Step 4: Simplify right side
    45,197.32x = 1,371,143,917.90
  5. Step 5: Solve for x
    x = 1,371,143,917.90/45,197.32
  6. Step 6: Final answer
    x = 30,336.84

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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.