Home / 36,028.80-54,043.20-21,266.55

Finding the Fourth Proportional to 36,028.80, 54,043.20 and 21,266.55

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Solution

The fourth proportional to 36,028.80, 54,043.20 and 21,266.55 is: 31,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,028.80 : 54,043.20 = 21,266.55 : x
  2. Step 2: Convert to fraction form
    36,028.80/54,043.20 = 21,266.55/x
  3. Step 3: Cross multiply
    36,028.80x = 54,043.20 × 21,266.55
  4. Step 4: Simplify right side
    36,028.80x = 1,149,312,414.96
  5. Step 5: Solve for x
    x = 1,149,312,414.96/36,028.80
  6. Step 6: Final answer
    x = 31,899.83

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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.