Home / 47,819.21-71,718.56-19,731.98

Finding the Fourth Proportional to 47,819.21, 71,718.56 and 19,731.98

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Solution

The fourth proportional to 47,819.21, 71,718.56 and 19,731.98 is: 29,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.21 : 71,718.56 = 19,731.98 : x
  2. Step 2: Convert to fraction form
    47,819.21/71,718.56 = 19,731.98/x
  3. Step 3: Cross multiply
    47,819.21x = 71,718.56 × 19,731.98
  4. Step 4: Simplify right side
    47,819.21x = 1,415,149,255.46
  5. Step 5: Solve for x
    x = 1,415,149,255.46/47,819.21
  6. Step 6: Final answer
    x = 29,593.74

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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.