Home / 40,201.28-55,481.08-22,302.05

Finding the Fourth Proportional to 40,201.28, 55,481.08 and 22,302.05

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Solution

The fourth proportional to 40,201.28, 55,481.08 and 22,302.05 is: 30,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201.28 : 55,481.08 = 22,302.05 : x
  2. Step 2: Convert to fraction form
    40,201.28/55,481.08 = 22,302.05/x
  3. Step 3: Cross multiply
    40,201.28x = 55,481.08 × 22,302.05
  4. Step 4: Simplify right side
    40,201.28x = 1,237,341,820.21
  5. Step 5: Solve for x
    x = 1,237,341,820.21/40,201.28
  6. Step 6: Final answer
    x = 30,778.67

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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.