Home / 31,072.77-42,880.55-16,925.49

Finding the Fourth Proportional to 31,072.77, 42,880.55 and 16,925.49

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Solution

The fourth proportional to 31,072.77, 42,880.55 and 16,925.49 is: 23,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.77 : 42,880.55 = 16,925.49 : x
  2. Step 2: Convert to fraction form
    31,072.77/42,880.55 = 16,925.49/x
  3. Step 3: Cross multiply
    31,072.77x = 42,880.55 × 16,925.49
  4. Step 4: Simplify right side
    31,072.77x = 725,774,235.59
  5. Step 5: Solve for x
    x = 725,774,235.59/31,072.77
  6. Step 6: Final answer
    x = 23,357.24

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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.