Home / 36,439.88-54,666.04-16,720.12

Finding the Fourth Proportional to 36,439.88, 54,666.04 and 16,720.12

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Solution

The fourth proportional to 36,439.88, 54,666.04 and 16,720.12 is: 25,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.88 : 54,666.04 = 16,720.12 : x
  2. Step 2: Convert to fraction form
    36,439.88/54,666.04 = 16,720.12/x
  3. Step 3: Cross multiply
    36,439.88x = 54,666.04 × 16,720.12
  4. Step 4: Simplify right side
    36,439.88x = 914,022,748.72
  5. Step 5: Solve for x
    x = 914,022,748.72/36,439.88
  6. Step 6: Final answer
    x = 25,083.03

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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.