Home / 45,268.67-67,853.77-18,942.66

Finding the Fourth Proportional to 45,268.67, 67,853.77 and 18,942.66

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Solution

The fourth proportional to 45,268.67, 67,853.77 and 18,942.66 is: 28,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,268.67 : 67,853.77 = 18,942.66 : x
  2. Step 2: Convert to fraction form
    45,268.67/67,853.77 = 18,942.66/x
  3. Step 3: Cross multiply
    45,268.67x = 67,853.77 × 18,942.66
  4. Step 4: Simplify right side
    45,268.67x = 1,285,330,847.47
  5. Step 5: Solve for x
    x = 1,285,330,847.47/45,268.67
  6. Step 6: Final answer
    x = 28,393.39

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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.