Home / 45,323.23-67,979.43-12,045.85

Finding the Fourth Proportional to 45,323.23, 67,979.43 and 12,045.85

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Solution

The fourth proportional to 45,323.23, 67,979.43 and 12,045.85 is: 18,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,323.23 : 67,979.43 = 12,045.85 : x
  2. Step 2: Convert to fraction form
    45,323.23/67,979.43 = 12,045.85/x
  3. Step 3: Cross multiply
    45,323.23x = 67,979.43 × 12,045.85
  4. Step 4: Simplify right side
    45,323.23x = 818,870,016.87
  5. Step 5: Solve for x
    x = 818,870,016.87/45,323.23
  6. Step 6: Final answer
    x = 18,067.34

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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.