Home / 36,081.55-54,108.49-12,384.68

Finding the Fourth Proportional to 36,081.55, 54,108.49 and 12,384.68

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Solution

The fourth proportional to 36,081.55, 54,108.49 and 12,384.68 is: 18,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.55 : 54,108.49 = 12,384.68 : x
  2. Step 2: Convert to fraction form
    36,081.55/54,108.49 = 12,384.68/x
  3. Step 3: Cross multiply
    36,081.55x = 54,108.49 × 12,384.68
  4. Step 4: Simplify right side
    36,081.55x = 670,116,360.01
  5. Step 5: Solve for x
    x = 670,116,360.01/36,081.55
  6. Step 6: Final answer
    x = 18,572.27

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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.