Home / 48,214.35-72,310.39-18,231.80

Finding the Fourth Proportional to 48,214.35, 72,310.39 and 18,231.80

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Solution

The fourth proportional to 48,214.35, 72,310.39 and 18,231.80 is: 27,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,214.35 : 72,310.39 = 18,231.80 : x
  2. Step 2: Convert to fraction form
    48,214.35/72,310.39 = 18,231.80/x
  3. Step 3: Cross multiply
    48,214.35x = 72,310.39 × 18,231.80
  4. Step 4: Simplify right side
    48,214.35x = 1,318,348,161.27
  5. Step 5: Solve for x
    x = 1,318,348,161.27/48,214.35
  6. Step 6: Final answer
    x = 27,343.48

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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.