Home / 31,072.98-42,880.26-16,925.52

Finding the Fourth Proportional to 31,072.98, 42,880.26 and 16,925.52

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Solution

The fourth proportional to 31,072.98, 42,880.26 and 16,925.52 is: 23,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.98 : 42,880.26 = 16,925.52 : x
  2. Step 2: Convert to fraction form
    31,072.98/42,880.26 = 16,925.52/x
  3. Step 3: Cross multiply
    31,072.98x = 42,880.26 × 16,925.52
  4. Step 4: Simplify right side
    31,072.98x = 725,770,698.24
  5. Step 5: Solve for x
    x = 725,770,698.24/31,072.98
  6. Step 6: Final answer
    x = 23,356.97

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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.