Home / 30,138.02-41,591.79-16,708.43

Finding the Fourth Proportional to 30,138.02, 41,591.79 and 16,708.43

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Solution

The fourth proportional to 30,138.02, 41,591.79 and 16,708.43 is: 23,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.02 : 41,591.79 = 16,708.43 : x
  2. Step 2: Convert to fraction form
    30,138.02/41,591.79 = 16,708.43/x
  3. Step 3: Cross multiply
    30,138.02x = 41,591.79 × 16,708.43
  4. Step 4: Simplify right side
    30,138.02x = 694,933,511.79
  5. Step 5: Solve for x
    x = 694,933,511.79/30,138.02
  6. Step 6: Final answer
    x = 23,058.37

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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.