Home / 45,084.87-67,650.88-18,450.62

Finding the Fourth Proportional to 45,084.87, 67,650.88 and 18,450.62

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Solution

The fourth proportional to 45,084.87, 67,650.88 and 18,450.62 is: 27,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,084.87 : 67,650.88 = 18,450.62 : x
  2. Step 2: Convert to fraction form
    45,084.87/67,650.88 = 18,450.62/x
  3. Step 3: Cross multiply
    45,084.87x = 67,650.88 × 18,450.62
  4. Step 4: Simplify right side
    45,084.87x = 1,248,200,679.55
  5. Step 5: Solve for x
    x = 1,248,200,679.55/45,084.87
  6. Step 6: Final answer
    x = 27,685.58

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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.