Home / 40,170.70-55,435.01-22,265.32

Finding the Fourth Proportional to 40,170.70, 55,435.01 and 22,265.32

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Solution

The fourth proportional to 40,170.70, 55,435.01 and 22,265.32 is: 30,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.70 : 55,435.01 = 22,265.32 : x
  2. Step 2: Convert to fraction form
    40,170.70/55,435.01 = 22,265.32/x
  3. Step 3: Cross multiply
    40,170.70x = 55,435.01 × 22,265.32
  4. Step 4: Simplify right side
    40,170.70x = 1,234,277,848.35
  5. Step 5: Solve for x
    x = 1,234,277,848.35/40,170.70
  6. Step 6: Final answer
    x = 30,725.83

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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.