Home / 47,764.78-71,644.58-19,684.30

Finding the Fourth Proportional to 47,764.78, 71,644.58 and 19,684.30

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Solution

The fourth proportional to 47,764.78, 71,644.58 and 19,684.30 is: 29,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,764.78 : 71,644.58 = 19,684.30 : x
  2. Step 2: Convert to fraction form
    47,764.78/71,644.58 = 19,684.30/x
  3. Step 3: Cross multiply
    47,764.78x = 71,644.58 × 19,684.30
  4. Step 4: Simplify right side
    47,764.78x = 1,410,273,406.09
  5. Step 5: Solve for x
    x = 1,410,273,406.09/47,764.78
  6. Step 6: Final answer
    x = 29,525.38

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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.