Home / 31,852.56-43,950.04-18,418.92

Finding the Fourth Proportional to 31,852.56, 43,950.04 and 18,418.92

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Solution

The fourth proportional to 31,852.56, 43,950.04 and 18,418.92 is: 25,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.56 : 43,950.04 = 18,418.92 : x
  2. Step 2: Convert to fraction form
    31,852.56/43,950.04 = 18,418.92/x
  3. Step 3: Cross multiply
    31,852.56x = 43,950.04 × 18,418.92
  4. Step 4: Simplify right side
    31,852.56x = 809,512,270.76
  5. Step 5: Solve for x
    x = 809,512,270.76/31,852.56
  6. Step 6: Final answer
    x = 25,414.36

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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.