Home / 40,172.70-55,438.68-22,267.92

Finding the Fourth Proportional to 40,172.70, 55,438.68 and 22,267.92

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Solution

The fourth proportional to 40,172.70, 55,438.68 and 22,267.92 is: 30,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.70 : 55,438.68 = 22,267.92 : x
  2. Step 2: Convert to fraction form
    40,172.70/55,438.68 = 22,267.92/x
  3. Step 3: Cross multiply
    40,172.70x = 55,438.68 × 22,267.92
  4. Step 4: Simplify right side
    40,172.70x = 1,234,504,091.15
  5. Step 5: Solve for x
    x = 1,234,504,091.15/40,172.70
  6. Step 6: Final answer
    x = 30,729.93

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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.