Home / 40,174.48-55,441.25-22,269.79

Finding the Fourth Proportional to 40,174.48, 55,441.25 and 22,269.79

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Solution

The fourth proportional to 40,174.48, 55,441.25 and 22,269.79 is: 30,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.48 : 55,441.25 = 22,269.79 : x
  2. Step 2: Convert to fraction form
    40,174.48/55,441.25 = 22,269.79/x
  3. Step 3: Cross multiply
    40,174.48x = 55,441.25 × 22,269.79
  4. Step 4: Simplify right side
    40,174.48x = 1,234,664,994.84
  5. Step 5: Solve for x
    x = 1,234,664,994.84/40,174.48
  6. Step 6: Final answer
    x = 30,732.57

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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.