Home / 47,511.93-71,218.68-39,103.60

Finding the Fourth Proportional to 47,511.93, 71,218.68 and 39,103.60

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Solution

The fourth proportional to 47,511.93, 71,218.68 and 39,103.60 is: 58,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,511.93 : 71,218.68 = 39,103.60 : x
  2. Step 2: Convert to fraction form
    47,511.93/71,218.68 = 39,103.60/x
  3. Step 3: Cross multiply
    47,511.93x = 71,218.68 × 39,103.60
  4. Step 4: Simplify right side
    47,511.93x = 2,784,906,610.30
  5. Step 5: Solve for x
    x = 2,784,906,610.30/47,511.93
  6. Step 6: Final answer
    x = 58,614.89

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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.