Home / 47,212.44-70,819.34-18,756.47

Finding the Fourth Proportional to 47,212.44, 70,819.34 and 18,756.47

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Solution

The fourth proportional to 47,212.44, 70,819.34 and 18,756.47 is: 28,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.44 : 70,819.34 = 18,756.47 : x
  2. Step 2: Convert to fraction form
    47,212.44/70,819.34 = 18,756.47/x
  3. Step 3: Cross multiply
    47,212.44x = 70,819.34 × 18,756.47
  4. Step 4: Simplify right side
    47,212.44x = 1,328,320,378.25
  5. Step 5: Solve for x
    x = 1,328,320,378.25/47,212.44
  6. Step 6: Final answer
    x = 28,134.97

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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.