Home / 31,818.60-43,908.46-17,672.36

Finding the Fourth Proportional to 31,818.60, 43,908.46 and 17,672.36

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Solution

The fourth proportional to 31,818.60, 43,908.46 and 17,672.36 is: 24,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.60 : 43,908.46 = 17,672.36 : x
  2. Step 2: Convert to fraction form
    31,818.60/43,908.46 = 17,672.36/x
  3. Step 3: Cross multiply
    31,818.60x = 43,908.46 × 17,672.36
  4. Step 4: Simplify right side
    31,818.60x = 775,965,804.26
  5. Step 5: Solve for x
    x = 775,965,804.26/31,818.60
  6. Step 6: Final answer
    x = 24,387.18

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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.