Home / 31,378.41-43,302.98-17,231.27

Finding the Fourth Proportional to 31,378.41, 43,302.98 and 17,231.27

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Solution

The fourth proportional to 31,378.41, 43,302.98 and 17,231.27 is: 23,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,378.41 : 43,302.98 = 17,231.27 : x
  2. Step 2: Convert to fraction form
    31,378.41/43,302.98 = 17,231.27/x
  3. Step 3: Cross multiply
    31,378.41x = 43,302.98 × 17,231.27
  4. Step 4: Simplify right side
    31,378.41x = 746,165,166.75
  5. Step 5: Solve for x
    x = 746,165,166.75/31,378.41
  6. Step 6: Final answer
    x = 23,779.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.