Home / 31,107.43-42,926.40-17,676.82

Finding the Fourth Proportional to 31,107.43, 42,926.40 and 17,676.82

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Solution

The fourth proportional to 31,107.43, 42,926.40 and 17,676.82 is: 24,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.43 : 42,926.40 = 17,676.82 : x
  2. Step 2: Convert to fraction form
    31,107.43/42,926.40 = 17,676.82/x
  3. Step 3: Cross multiply
    31,107.43x = 42,926.40 × 17,676.82
  4. Step 4: Simplify right side
    31,107.43x = 758,802,246.05
  5. Step 5: Solve for x
    x = 758,802,246.05/31,107.43
  6. Step 6: Final answer
    x = 24,392.96

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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.