Home / 31,010.40-42,794.34-16,863.24

Finding the Fourth Proportional to 31,010.40, 42,794.34 and 16,863.24

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Solution

The fourth proportional to 31,010.40, 42,794.34 and 16,863.24 is: 23,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.40 : 42,794.34 = 16,863.24 : x
  2. Step 2: Convert to fraction form
    31,010.40/42,794.34 = 16,863.24/x
  3. Step 3: Cross multiply
    31,010.40x = 42,794.34 × 16,863.24
  4. Step 4: Simplify right side
    31,010.40x = 721,651,226.06
  5. Step 5: Solve for x
    x = 721,651,226.06/31,010.40
  6. Step 6: Final answer
    x = 23,271.26

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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.