Home / 36,329.48-54,519.02-12,636.80

Finding the Fourth Proportional to 36,329.48, 54,519.02 and 12,636.80

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Solution

The fourth proportional to 36,329.48, 54,519.02 and 12,636.80 is: 18,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,329.48 : 54,519.02 = 12,636.80 : x
  2. Step 2: Convert to fraction form
    36,329.48/54,519.02 = 12,636.80/x
  3. Step 3: Cross multiply
    36,329.48x = 54,519.02 × 12,636.80
  4. Step 4: Simplify right side
    36,329.48x = 688,945,951.94
  5. Step 5: Solve for x
    x = 688,945,951.94/36,329.48
  6. Step 6: Final answer
    x = 18,963.83

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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.