Home / 71,998.20-108,029.70-25,284.60

Finding the Fourth Proportional to 71,998.20, 108,029.70 and 25,284.60

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Solution

The fourth proportional to 71,998.20, 108,029.70 and 25,284.60 is: 37,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,998.20 : 108,029.70 = 25,284.60 : x
  2. Step 2: Convert to fraction form
    71,998.20/108,029.70 = 25,284.60/x
  3. Step 3: Cross multiply
    71,998.20x = 108,029.70 × 25,284.60
  4. Step 4: Simplify right side
    71,998.20x = 2,731,487,752.62
  5. Step 5: Solve for x
    x = 2,731,487,752.62/71,998.20
  6. Step 6: Final answer
    x = 37,938.28

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1.5x scale

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.