Home / 40,174.76-55,435.34-22,269.75

Finding the Fourth Proportional to 40,174.76, 55,435.34 and 22,269.75

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Solution

The fourth proportional to 40,174.76, 55,435.34 and 22,269.75 is: 30,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.76 : 55,435.34 = 22,269.75 : x
  2. Step 2: Convert to fraction form
    40,174.76/55,435.34 = 22,269.75/x
  3. Step 3: Cross multiply
    40,174.76x = 55,435.34 × 22,269.75
  4. Step 4: Simplify right side
    40,174.76x = 1,234,531,051.62
  5. Step 5: Solve for x
    x = 1,234,531,051.62/40,174.76
  6. Step 6: Final answer
    x = 30,729.03

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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.