Home / 45,370.20-67,925.70-40,704.60

Finding the Fourth Proportional to 45,370.20, 67,925.70 and 40,704.60

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Solution

The fourth proportional to 45,370.20, 67,925.70 and 40,704.60 is: 60,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370.20 : 67,925.70 = 40,704.60 : x
  2. Step 2: Convert to fraction form
    45,370.20/67,925.70 = 40,704.60/x
  3. Step 3: Cross multiply
    45,370.20x = 67,925.70 × 40,704.60
  4. Step 4: Simplify right side
    45,370.20x = 2,764,888,448.22
  5. Step 5: Solve for x
    x = 2,764,888,448.22/45,370.20
  6. Step 6: Final answer
    x = 60,940.63

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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.