Home / 36,145.12-54,207.26-12,451.70

Finding the Fourth Proportional to 36,145.12, 54,207.26 and 12,451.70

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Solution

The fourth proportional to 36,145.12, 54,207.26 and 12,451.70 is: 18,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.12 : 54,207.26 = 12,451.70 : x
  2. Step 2: Convert to fraction form
    36,145.12/54,207.26 = 12,451.70/x
  3. Step 3: Cross multiply
    36,145.12x = 54,207.26 × 12,451.70
  4. Step 4: Simplify right side
    36,145.12x = 674,972,539.34
  5. Step 5: Solve for x
    x = 674,972,539.34/36,145.12
  6. Step 6: Final answer
    x = 18,673.96

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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.