Home / 36,122.44-54,170.20-12,423.28

Finding the Fourth Proportional to 36,122.44, 54,170.20 and 12,423.28

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Solution

The fourth proportional to 36,122.44, 54,170.20 and 12,423.28 is: 18,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.44 : 54,170.20 = 12,423.28 : x
  2. Step 2: Convert to fraction form
    36,122.44/54,170.20 = 12,423.28/x
  3. Step 3: Cross multiply
    36,122.44x = 54,170.20 × 12,423.28
  4. Step 4: Simplify right side
    36,122.44x = 672,971,562.26
  5. Step 5: Solve for x
    x = 672,971,562.26/36,122.44
  6. Step 6: Final answer
    x = 18,630.29

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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.