Home / 47,418.22-71,131-14,135.74

Finding the Fourth Proportional to 47,418.22, 71,131 and 14,135.74

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Solution

The fourth proportional to 47,418.22, 71,131 and 14,135.74 is: 21,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,418.22 : 71,131 = 14,135.74 : x
  2. Step 2: Convert to fraction form
    47,418.22/71,131 = 14,135.74/x
  3. Step 3: Cross multiply
    47,418.22x = 71,131 × 14,135.74
  4. Step 4: Simplify right side
    47,418.22x = 1,005,489,321.94
  5. Step 5: Solve for x
    x = 1,005,489,321.94/47,418.22
  6. Step 6: Final answer
    x = 21,204.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.