Home / 40,928.20-61,356.30-27,737.80

Finding the Fourth Proportional to 40,928.20, 61,356.30 and 27,737.80

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Solution

The fourth proportional to 40,928.20, 61,356.30 and 27,737.80 is: 41,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928.20 : 61,356.30 = 27,737.80 : x
  2. Step 2: Convert to fraction form
    40,928.20/61,356.30 = 27,737.80/x
  3. Step 3: Cross multiply
    40,928.20x = 61,356.30 × 27,737.80
  4. Step 4: Simplify right side
    40,928.20x = 1,701,888,778.14
  5. Step 5: Solve for x
    x = 1,701,888,778.14/40,928.20
  6. Step 6: Final answer
    x = 41,582.30

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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.