Home / 31,836.96-43,936.16-17,689.50

Finding the Fourth Proportional to 31,836.96, 43,936.16 and 17,689.50

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Solution

The fourth proportional to 31,836.96, 43,936.16 and 17,689.50 is: 24,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.96 : 43,936.16 = 17,689.50 : x
  2. Step 2: Convert to fraction form
    31,836.96/43,936.16 = 17,689.50/x
  3. Step 3: Cross multiply
    31,836.96x = 43,936.16 × 17,689.50
  4. Step 4: Simplify right side
    31,836.96x = 777,208,613.87
  5. Step 5: Solve for x
    x = 777,208,613.87/31,836.96
  6. Step 6: Final answer
    x = 24,412.15

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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.