Home / 40,321.35-55,642.23-22,172.04

Finding the Fourth Proportional to 40,321.35, 55,642.23 and 22,172.04

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Solution

The fourth proportional to 40,321.35, 55,642.23 and 22,172.04 is: 30,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.35 : 55,642.23 = 22,172.04 : x
  2. Step 2: Convert to fraction form
    40,321.35/55,642.23 = 22,172.04/x
  3. Step 3: Cross multiply
    40,321.35x = 55,642.23 × 22,172.04
  4. Step 4: Simplify right side
    40,321.35x = 1,233,701,749.25
  5. Step 5: Solve for x
    x = 1,233,701,749.25/40,321.35
  6. Step 6: Final answer
    x = 30,596.74

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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.