Home / 36,004.60-54,023.10-12,647.80

Finding the Fourth Proportional to 36,004.60, 54,023.10 and 12,647.80

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Solution

The fourth proportional to 36,004.60, 54,023.10 and 12,647.80 is: 18,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.60 : 54,023.10 = 12,647.80 : x
  2. Step 2: Convert to fraction form
    36,004.60/54,023.10 = 12,647.80/x
  3. Step 3: Cross multiply
    36,004.60x = 54,023.10 × 12,647.80
  4. Step 4: Simplify right side
    36,004.60x = 683,273,364.18
  5. Step 5: Solve for x
    x = 683,273,364.18/36,004.60
  6. Step 6: Final answer
    x = 18,977.39

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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.