Home / 36,171.72-54,231.66-16,440.12

Finding the Fourth Proportional to 36,171.72, 54,231.66 and 16,440.12

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Solution

The fourth proportional to 36,171.72, 54,231.66 and 16,440.12 is: 24,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,171.72 : 54,231.66 = 16,440.12 : x
  2. Step 2: Convert to fraction form
    36,171.72/54,231.66 = 16,440.12/x
  3. Step 3: Cross multiply
    36,171.72x = 54,231.66 × 16,440.12
  4. Step 4: Simplify right side
    36,171.72x = 891,574,998.20
  5. Step 5: Solve for x
    x = 891,574,998.20/36,171.72
  6. Step 6: Final answer
    x = 24,648.40

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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.