Home / 36,122.16-54,169.26-12,425.22

Finding the Fourth Proportional to 36,122.16, 54,169.26 and 12,425.22

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Solution

The fourth proportional to 36,122.16, 54,169.26 and 12,425.22 is: 18,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.16 : 54,169.26 = 12,425.22 : x
  2. Step 2: Convert to fraction form
    36,122.16/54,169.26 = 12,425.22/x
  3. Step 3: Cross multiply
    36,122.16x = 54,169.26 × 12,425.22
  4. Step 4: Simplify right side
    36,122.16x = 673,064,972.74
  5. Step 5: Solve for x
    x = 673,064,972.74/36,122.16
  6. Step 6: Final answer
    x = 18,633.02

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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.