Home / 31,072.99-42,880.73-16,925.84

Finding the Fourth Proportional to 31,072.99, 42,880.73 and 16,925.84

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Solution

The fourth proportional to 31,072.99, 42,880.73 and 16,925.84 is: 23,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.99 : 42,880.73 = 16,925.84 : x
  2. Step 2: Convert to fraction form
    31,072.99/42,880.73 = 16,925.84/x
  3. Step 3: Cross multiply
    31,072.99x = 42,880.73 × 16,925.84
  4. Step 4: Simplify right side
    31,072.99x = 725,792,187.64
  5. Step 5: Solve for x
    x = 725,792,187.64/31,072.99
  6. Step 6: Final answer
    x = 23,357.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.