Home / 36,000.20-54,000.30-12,623.60

Finding the Fourth Proportional to 36,000.20, 54,000.30 and 12,623.60

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Solution

The fourth proportional to 36,000.20, 54,000.30 and 12,623.60 is: 18,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.20 : 54,000.30 = 12,623.60 : x
  2. Step 2: Convert to fraction form
    36,000.20/54,000.30 = 12,623.60/x
  3. Step 3: Cross multiply
    36,000.20x = 54,000.30 × 12,623.60
  4. Step 4: Simplify right side
    36,000.20x = 681,678,187.08
  5. Step 5: Solve for x
    x = 681,678,187.08/36,000.20
  6. Step 6: Final answer
    x = 18,935.40

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Similar ratio
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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.