Home / 31,489.27-43,456.02-17,343.02

Finding the Fourth Proportional to 31,489.27, 43,456.02 and 17,343.02

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Solution

The fourth proportional to 31,489.27, 43,456.02 and 17,343.02 is: 23,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489.27 : 43,456.02 = 17,343.02 : x
  2. Step 2: Convert to fraction form
    31,489.27/43,456.02 = 17,343.02/x
  3. Step 3: Cross multiply
    31,489.27x = 43,456.02 × 17,343.02
  4. Step 4: Simplify right side
    31,489.27x = 753,658,623.98
  5. Step 5: Solve for x
    x = 753,658,623.98/31,489.27
  6. Step 6: Final answer
    x = 23,933.82

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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.