Home / 30,265.11-41,761.35-16,836.53

Finding the Fourth Proportional to 30,265.11, 41,761.35 and 16,836.53

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Solution

The fourth proportional to 30,265.11, 41,761.35 and 16,836.53 is: 23,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265.11 : 41,761.35 = 16,836.53 : x
  2. Step 2: Convert to fraction form
    30,265.11/41,761.35 = 16,836.53/x
  3. Step 3: Cross multiply
    30,265.11x = 41,761.35 × 16,836.53
  4. Step 4: Simplify right side
    30,265.11x = 703,116,013.31
  5. Step 5: Solve for x
    x = 703,116,013.31/30,265.11
  6. Step 6: Final answer
    x = 23,231.90

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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.