Home / 40,879.16-61,305.78-17,499.32

Finding the Fourth Proportional to 40,879.16, 61,305.78 and 17,499.32

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Solution

The fourth proportional to 40,879.16, 61,305.78 and 17,499.32 is: 26,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,879.16 : 61,305.78 = 17,499.32 : x
  2. Step 2: Convert to fraction form
    40,879.16/61,305.78 = 17,499.32/x
  3. Step 3: Cross multiply
    40,879.16x = 61,305.78 × 17,499.32
  4. Step 4: Simplify right side
    40,879.16x = 1,072,809,462.07
  5. Step 5: Solve for x
    x = 1,072,809,462.07/40,879.16
  6. Step 6: Final answer
    x = 26,243.43

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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.