Home / 41,997.80-63,003.39-13,918.85

Finding the Fourth Proportional to 41,997.80, 63,003.39 and 13,918.85

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Solution

The fourth proportional to 41,997.80, 63,003.39 and 13,918.85 is: 20,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,997.80 : 63,003.39 = 13,918.85 : x
  2. Step 2: Convert to fraction form
    41,997.80/63,003.39 = 13,918.85/x
  3. Step 3: Cross multiply
    41,997.80x = 63,003.39 × 13,918.85
  4. Step 4: Simplify right side
    41,997.80x = 876,934,892.41
  5. Step 5: Solve for x
    x = 876,934,892.41/41,997.80
  6. Step 6: Final answer
    x = 20,880.49

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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.