Home / 36,000.48-54,000.64-12,633.60

Finding the Fourth Proportional to 36,000.48, 54,000.64 and 12,633.60

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Solution

The fourth proportional to 36,000.48, 54,000.64 and 12,633.60 is: 18,950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.48 : 54,000.64 = 12,633.60 : x
  2. Step 2: Convert to fraction form
    36,000.48/54,000.64 = 12,633.60/x
  3. Step 3: Cross multiply
    36,000.48x = 54,000.64 × 12,633.60
  4. Step 4: Simplify right side
    36,000.48x = 682,222,485.50
  5. Step 5: Solve for x
    x = 682,222,485.50/36,000.48
  6. Step 6: Final answer
    x = 18,950.37

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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.