Home / 31,297.12-43,179.24-17,858.68

Finding the Fourth Proportional to 31,297.12, 43,179.24 and 17,858.68

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Solution

The fourth proportional to 31,297.12, 43,179.24 and 17,858.68 is: 24,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.12 : 43,179.24 = 17,858.68 : x
  2. Step 2: Convert to fraction form
    31,297.12/43,179.24 = 17,858.68/x
  3. Step 3: Cross multiply
    31,297.12x = 43,179.24 × 17,858.68
  4. Step 4: Simplify right side
    31,297.12x = 771,124,229.80
  5. Step 5: Solve for x
    x = 771,124,229.80/31,297.12
  6. Step 6: Final answer
    x = 24,638.82

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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.