Home / 47,212.75-70,819.17-19,511.47

Finding the Fourth Proportional to 47,212.75, 70,819.17 and 19,511.47

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Solution

The fourth proportional to 47,212.75, 70,819.17 and 19,511.47 is: 29,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.75 : 70,819.17 = 19,511.47 : x
  2. Step 2: Convert to fraction form
    47,212.75/70,819.17 = 19,511.47/x
  3. Step 3: Cross multiply
    47,212.75x = 70,819.17 × 19,511.47
  4. Step 4: Simplify right side
    47,212.75x = 1,381,786,110.88
  5. Step 5: Solve for x
    x = 1,381,786,110.88/47,212.75
  6. Step 6: Final answer
    x = 29,267.22

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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.