Home / 40,168.70-55,431.33-22,265.33

Finding the Fourth Proportional to 40,168.70, 55,431.33 and 22,265.33

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Solution

The fourth proportional to 40,168.70, 55,431.33 and 22,265.33 is: 30,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168.70 : 55,431.33 = 22,265.33 : x
  2. Step 2: Convert to fraction form
    40,168.70/55,431.33 = 22,265.33/x
  3. Step 3: Cross multiply
    40,168.70x = 55,431.33 × 22,265.33
  4. Step 4: Simplify right side
    40,168.70x = 1,234,196,577.63
  5. Step 5: Solve for x
    x = 1,234,196,577.63/40,168.70
  6. Step 6: Final answer
    x = 30,725.33

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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.