Home / 36,408.25-54,612.28-20,814.94

Finding the Fourth Proportional to 36,408.25, 54,612.28 and 20,814.94

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Solution

The fourth proportional to 36,408.25, 54,612.28 and 20,814.94 is: 31,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.25 : 54,612.28 = 20,814.94 : x
  2. Step 2: Convert to fraction form
    36,408.25/54,612.28 = 20,814.94/x
  3. Step 3: Cross multiply
    36,408.25x = 54,612.28 × 20,814.94
  4. Step 4: Simplify right side
    36,408.25x = 1,136,751,331.46
  5. Step 5: Solve for x
    x = 1,136,751,331.46/36,408.25
  6. Step 6: Final answer
    x = 31,222.36

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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.