Home / 36,331.20-54,469.80-18,813.60

Finding the Fourth Proportional to 36,331.20, 54,469.80 and 18,813.60

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Solution

The fourth proportional to 36,331.20, 54,469.80 and 18,813.60 is: 28,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.20 : 54,469.80 = 18,813.60 : x
  2. Step 2: Convert to fraction form
    36,331.20/54,469.80 = 18,813.60/x
  3. Step 3: Cross multiply
    36,331.20x = 54,469.80 × 18,813.60
  4. Step 4: Simplify right side
    36,331.20x = 1,024,773,029.28
  5. Step 5: Solve for x
    x = 1,024,773,029.28/36,331.20
  6. Step 6: Final answer
    x = 28,206.42

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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.