Home / 36,333.20-54,459.30-14,139.20

Finding the Fourth Proportional to 36,333.20, 54,459.30 and 14,139.20

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Solution

The fourth proportional to 36,333.20, 54,459.30 and 14,139.20 is: 21,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,333.20 : 54,459.30 = 14,139.20 : x
  2. Step 2: Convert to fraction form
    36,333.20/54,459.30 = 14,139.20/x
  3. Step 3: Cross multiply
    36,333.20x = 54,459.30 × 14,139.20
  4. Step 4: Simplify right side
    36,333.20x = 770,010,934.56
  5. Step 5: Solve for x
    x = 770,010,934.56/36,333.20
  6. Step 6: Final answer
    x = 21,193.04

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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.