Home / 20,850.48-31,215.24-16,219.44

Finding the Fourth Proportional to 20,850.48, 31,215.24 and 16,219.44

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Solution

The fourth proportional to 20,850.48, 31,215.24 and 16,219.44 is: 24,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850.48 : 31,215.24 = 16,219.44 : x
  2. Step 2: Convert to fraction form
    20,850.48/31,215.24 = 16,219.44/x
  3. Step 3: Cross multiply
    20,850.48x = 31,215.24 × 16,219.44
  4. Step 4: Simplify right side
    20,850.48x = 506,293,712.27
  5. Step 5: Solve for x
    x = 506,293,712.27/20,850.48
  6. Step 6: Final answer
    x = 24,282.11

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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.