Home / 30,311.49-41,829.57-16,881.96

Finding the Fourth Proportional to 30,311.49, 41,829.57 and 16,881.96

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Solution

The fourth proportional to 30,311.49, 41,829.57 and 16,881.96 is: 23,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.49 : 41,829.57 = 16,881.96 : x
  2. Step 2: Convert to fraction form
    30,311.49/41,829.57 = 16,881.96/x
  3. Step 3: Cross multiply
    30,311.49x = 41,829.57 × 16,881.96
  4. Step 4: Simplify right side
    30,311.49x = 706,165,127.56
  5. Step 5: Solve for x
    x = 706,165,127.56/30,311.49
  6. Step 6: Final answer
    x = 23,296.95

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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.