Home / 47,986.88-71,949.52-19,926.30

Finding the Fourth Proportional to 47,986.88, 71,949.52 and 19,926.30

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Solution

The fourth proportional to 47,986.88, 71,949.52 and 19,926.30 is: 29,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986.88 : 71,949.52 = 19,926.30 : x
  2. Step 2: Convert to fraction form
    47,986.88/71,949.52 = 19,926.30/x
  3. Step 3: Cross multiply
    47,986.88x = 71,949.52 × 19,926.30
  4. Step 4: Simplify right side
    47,986.88x = 1,433,687,903.01
  5. Step 5: Solve for x
    x = 1,433,687,903.01/47,986.88
  6. Step 6: Final answer
    x = 29,876.66

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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.