Home / 40,816.90-61,218.13-11,227.60

Finding the Fourth Proportional to 40,816.90, 61,218.13 and 11,227.60

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Solution

The fourth proportional to 40,816.90, 61,218.13 and 11,227.60 is: 16,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,816.90 : 61,218.13 = 11,227.60 : x
  2. Step 2: Convert to fraction form
    40,816.90/61,218.13 = 11,227.60/x
  3. Step 3: Cross multiply
    40,816.90x = 61,218.13 × 11,227.60
  4. Step 4: Simplify right side
    40,816.90x = 687,332,676.39
  5. Step 5: Solve for x
    x = 687,332,676.39/40,816.90
  6. Step 6: Final answer
    x = 16,839.41

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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.