Home / 45,212.40-67,791.96-18,550.44

Finding the Fourth Proportional to 45,212.40, 67,791.96 and 18,550.44

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Solution

The fourth proportional to 45,212.40, 67,791.96 and 18,550.44 is: 27,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212.40 : 67,791.96 = 18,550.44 : x
  2. Step 2: Convert to fraction form
    45,212.40/67,791.96 = 18,550.44/x
  3. Step 3: Cross multiply
    45,212.40x = 67,791.96 × 18,550.44
  4. Step 4: Simplify right side
    45,212.40x = 1,257,570,686.46
  5. Step 5: Solve for x
    x = 1,257,570,686.46/45,212.40
  6. Step 6: Final answer
    x = 27,814.73

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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.