Home / 45,170.92-67,733.34-18,868.60

Finding the Fourth Proportional to 45,170.92, 67,733.34 and 18,868.60

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Solution

The fourth proportional to 45,170.92, 67,733.34 and 18,868.60 is: 28,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,170.92 : 67,733.34 = 18,868.60 : x
  2. Step 2: Convert to fraction form
    45,170.92/67,733.34 = 18,868.60/x
  3. Step 3: Cross multiply
    45,170.92x = 67,733.34 × 18,868.60
  4. Step 4: Simplify right side
    45,170.92x = 1,278,033,299.12
  5. Step 5: Solve for x
    x = 1,278,033,299.12/45,170.92
  6. Step 6: Final answer
    x = 28,293.28

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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.