Home / 31,763.80-43,833.30-18,152.47

Finding the Fourth Proportional to 31,763.80, 43,833.30 and 18,152.47

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Solution

The fourth proportional to 31,763.80, 43,833.30 and 18,152.47 is: 25,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,763.80 : 43,833.30 = 18,152.47 : x
  2. Step 2: Convert to fraction form
    31,763.80/43,833.30 = 18,152.47/x
  3. Step 3: Cross multiply
    31,763.80x = 43,833.30 × 18,152.47
  4. Step 4: Simplify right side
    31,763.80x = 795,682,444.08
  5. Step 5: Solve for x
    x = 795,682,444.08/31,763.80
  6. Step 6: Final answer
    x = 25,049.98

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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.