Home / 40,175.22-55,438.11-22,269.36

Finding the Fourth Proportional to 40,175.22, 55,438.11 and 22,269.36

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Solution

The fourth proportional to 40,175.22, 55,438.11 and 22,269.36 is: 30,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.22 : 55,438.11 = 22,269.36 : x
  2. Step 2: Convert to fraction form
    40,175.22/55,438.11 = 22,269.36/x
  3. Step 3: Cross multiply
    40,175.22x = 55,438.11 × 22,269.36
  4. Step 4: Simplify right side
    40,175.22x = 1,234,571,229.31
  5. Step 5: Solve for x
    x = 1,234,571,229.31/40,175.22
  6. Step 6: Final answer
    x = 30,729.67

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1.5x scale

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.