Home / 30,187.81-41,659-16,576.03

Finding the Fourth Proportional to 30,187.81, 41,659 and 16,576.03

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Solution

The fourth proportional to 30,187.81, 41,659 and 16,576.03 is: 22,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.81 : 41,659 = 16,576.03 : x
  2. Step 2: Convert to fraction form
    30,187.81/41,659 = 16,576.03/x
  3. Step 3: Cross multiply
    30,187.81x = 41,659 × 16,576.03
  4. Step 4: Simplify right side
    30,187.81x = 690,540,833.77
  5. Step 5: Solve for x
    x = 690,540,833.77/30,187.81
  6. Step 6: Final answer
    x = 22,874.82

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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.