Home / 31,865.64-43,972.77-17,718.18

Finding the Fourth Proportional to 31,865.64, 43,972.77 and 17,718.18

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Solution

The fourth proportional to 31,865.64, 43,972.77 and 17,718.18 is: 24,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.64 : 43,972.77 = 17,718.18 : x
  2. Step 2: Convert to fraction form
    31,865.64/43,972.77 = 17,718.18/x
  3. Step 3: Cross multiply
    31,865.64x = 43,972.77 × 17,718.18
  4. Step 4: Simplify right side
    31,865.64x = 779,117,234.09
  5. Step 5: Solve for x
    x = 779,117,234.09/31,865.64
  6. Step 6: Final answer
    x = 24,450.08

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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.