Home / 31,212.25-43,072.92-17,065.21

Finding the Fourth Proportional to 31,212.25, 43,072.92 and 17,065.21

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Solution

The fourth proportional to 31,212.25, 43,072.92 and 17,065.21 is: 23,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.25 : 43,072.92 = 17,065.21 : x
  2. Step 2: Convert to fraction form
    31,212.25/43,072.92 = 17,065.21/x
  3. Step 3: Cross multiply
    31,212.25x = 43,072.92 × 17,065.21
  4. Step 4: Simplify right side
    31,212.25x = 735,048,425.11
  5. Step 5: Solve for x
    x = 735,048,425.11/31,212.25
  6. Step 6: Final answer
    x = 23,550.00

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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.