Home / 40,811-56,321.87-22,907.22

Finding the Fourth Proportional to 40,811, 56,321.87 and 22,907.22

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Solution

The fourth proportional to 40,811, 56,321.87 and 22,907.22 is: 31,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,811 : 56,321.87 = 22,907.22 : x
  2. Step 2: Convert to fraction form
    40,811/56,321.87 = 22,907.22/x
  3. Step 3: Cross multiply
    40,811x = 56,321.87 × 22,907.22
  4. Step 4: Simplify right side
    40,811x = 1,290,177,466.90
  5. Step 5: Solve for x
    x = 1,290,177,466.90/40,811
  6. Step 6: Final answer
    x = 31,613.47

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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.