Home / 47,998.43-71,989.44-12,929.88

Finding the Fourth Proportional to 47,998.43, 71,989.44 and 12,929.88

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Solution

The fourth proportional to 47,998.43, 71,989.44 and 12,929.88 is: 19,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,998.43 : 71,989.44 = 12,929.88 : x
  2. Step 2: Convert to fraction form
    47,998.43/71,989.44 = 12,929.88/x
  3. Step 3: Cross multiply
    47,998.43x = 71,989.44 × 12,929.88
  4. Step 4: Simplify right side
    47,998.43x = 930,814,820.47
  5. Step 5: Solve for x
    x = 930,814,820.47/47,998.43
  6. Step 6: Final answer
    x = 19,392.61

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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.