Home / 31,098.12-42,915.18-16,951.06

Finding the Fourth Proportional to 31,098.12, 42,915.18 and 16,951.06

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Solution

The fourth proportional to 31,098.12, 42,915.18 and 16,951.06 is: 23,392.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,098.12 : 42,915.18 = 16,951.06 : x
  2. Step 2: Convert to fraction form
    31,098.12/42,915.18 = 16,951.06/x
  3. Step 3: Cross multiply
    31,098.12x = 42,915.18 × 16,951.06
  4. Step 4: Simplify right side
    31,098.12x = 727,457,791.09
  5. Step 5: Solve for x
    x = 727,457,791.09/31,098.12
  6. Step 6: Final answer
    x = 23,392.34

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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.