Home / 36,189.20-54,271-17,211.60

Finding the Fourth Proportional to 36,189.20, 54,271 and 17,211.60

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Solution

The fourth proportional to 36,189.20, 54,271 and 17,211.60 is: 25,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.20 : 54,271 = 17,211.60 : x
  2. Step 2: Convert to fraction form
    36,189.20/54,271 = 17,211.60/x
  3. Step 3: Cross multiply
    36,189.20x = 54,271 × 17,211.60
  4. Step 4: Simplify right side
    36,189.20x = 934,090,743.60
  5. Step 5: Solve for x
    x = 934,090,743.60/36,189.20
  6. Step 6: Final answer
    x = 25,811.31

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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.