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Finding the Fourth Proportional to 41,647.69, 57,477.77 and 22,787.65

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Solution

The fourth proportional to 41,647.69, 57,477.77 and 22,787.65 is: 31,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,647.69 : 57,477.77 = 22,787.65 : x
  2. Step 2: Convert to fraction form
    41,647.69/57,477.77 = 22,787.65/x
  3. Step 3: Cross multiply
    41,647.69x = 57,477.77 × 22,787.65
  4. Step 4: Simplify right side
    41,647.69x = 1,309,783,305.54
  5. Step 5: Solve for x
    x = 1,309,783,305.54/41,647.69
  6. Step 6: Final answer
    x = 31,449.12

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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.