Home / 40,661.26-61,003.21-16,979.98

Finding the Fourth Proportional to 40,661.26, 61,003.21 and 16,979.98

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Solution

The fourth proportional to 40,661.26, 61,003.21 and 16,979.98 is: 25,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,661.26 : 61,003.21 = 16,979.98 : x
  2. Step 2: Convert to fraction form
    40,661.26/61,003.21 = 16,979.98/x
  3. Step 3: Cross multiply
    40,661.26x = 61,003.21 × 16,979.98
  4. Step 4: Simplify right side
    40,661.26x = 1,035,833,237.00
  5. Step 5: Solve for x
    x = 1,035,833,237.00/40,661.26
  6. Step 6: Final answer
    x = 25,474.70

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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.