Home / 40,379.56-55,726.40-22,474.50

Finding the Fourth Proportional to 40,379.56, 55,726.40 and 22,474.50

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Solution

The fourth proportional to 40,379.56, 55,726.40 and 22,474.50 is: 31,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.56 : 55,726.40 = 22,474.50 : x
  2. Step 2: Convert to fraction form
    40,379.56/55,726.40 = 22,474.50/x
  3. Step 3: Cross multiply
    40,379.56x = 55,726.40 × 22,474.50
  4. Step 4: Simplify right side
    40,379.56x = 1,252,422,976.80
  5. Step 5: Solve for x
    x = 1,252,422,976.80/40,379.56
  6. Step 6: Final answer
    x = 31,016.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.