Home / 31,804.68-43,892.46-18,375.96

Finding the Fourth Proportional to 31,804.68, 43,892.46 and 18,375.96

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Solution

The fourth proportional to 31,804.68, 43,892.46 and 18,375.96 is: 25,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.68 : 43,892.46 = 18,375.96 : x
  2. Step 2: Convert to fraction form
    31,804.68/43,892.46 = 18,375.96/x
  3. Step 3: Cross multiply
    31,804.68x = 43,892.46 × 18,375.96
  4. Step 4: Simplify right side
    31,804.68x = 806,566,089.26
  5. Step 5: Solve for x
    x = 806,566,089.26/31,804.68
  6. Step 6: Final answer
    x = 25,359.98

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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.