Home / 40,116.60-55,360.26-22,211.82

Finding the Fourth Proportional to 40,116.60, 55,360.26 and 22,211.82

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Solution

The fourth proportional to 40,116.60, 55,360.26 and 22,211.82 is: 30,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.60 : 55,360.26 = 22,211.82 : x
  2. Step 2: Convert to fraction form
    40,116.60/55,360.26 = 22,211.82/x
  3. Step 3: Cross multiply
    40,116.60x = 55,360.26 × 22,211.82
  4. Step 4: Simplify right side
    40,116.60x = 1,229,652,130.27
  5. Step 5: Solve for x
    x = 1,229,652,130.27/40,116.60
  6. Step 6: Final answer
    x = 30,651.95

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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.