Home / 31,823.12-43,917.26-17,675.96

Finding the Fourth Proportional to 31,823.12, 43,917.26 and 17,675.96

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Solution

The fourth proportional to 31,823.12, 43,917.26 and 17,675.96 is: 24,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.12 : 43,917.26 = 17,675.96 : x
  2. Step 2: Convert to fraction form
    31,823.12/43,917.26 = 17,675.96/x
  3. Step 3: Cross multiply
    31,823.12x = 43,917.26 × 17,675.96
  4. Step 4: Simplify right side
    31,823.12x = 776,279,423.10
  5. Step 5: Solve for x
    x = 776,279,423.10/31,823.12
  6. Step 6: Final answer
    x = 24,393.57

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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.