Home / 41,140.80-61,661.74-18,923.56

Finding the Fourth Proportional to 41,140.80, 61,661.74 and 18,923.56

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Solution

The fourth proportional to 41,140.80, 61,661.74 and 18,923.56 is: 28,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.80 : 61,661.74 = 18,923.56 : x
  2. Step 2: Convert to fraction form
    41,140.80/61,661.74 = 18,923.56/x
  3. Step 3: Cross multiply
    41,140.80x = 61,661.74 × 18,923.56
  4. Step 4: Simplify right side
    41,140.80x = 1,166,859,636.59
  5. Step 5: Solve for x
    x = 1,166,859,636.59/41,140.80
  6. Step 6: Final answer
    x = 28,362.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.