Home / 36,033.40-54,082.10-21,223.80

Finding the Fourth Proportional to 36,033.40, 54,082.10 and 21,223.80

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Solution

The fourth proportional to 36,033.40, 54,082.10 and 21,223.80 is: 31,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,033.40 : 54,082.10 = 21,223.80 : x
  2. Step 2: Convert to fraction form
    36,033.40/54,082.10 = 21,223.80/x
  3. Step 3: Cross multiply
    36,033.40x = 54,082.10 × 21,223.80
  4. Step 4: Simplify right side
    36,033.40x = 1,147,827,673.98
  5. Step 5: Solve for x
    x = 1,147,827,673.98/36,033.40
  6. Step 6: Final answer
    x = 31,854.55

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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.