Home / 36,100.62-54,138.60-18,324.45

Finding the Fourth Proportional to 36,100.62, 54,138.60 and 18,324.45

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Solution

The fourth proportional to 36,100.62, 54,138.60 and 18,324.45 is: 27,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.62 : 54,138.60 = 18,324.45 : x
  2. Step 2: Convert to fraction form
    36,100.62/54,138.60 = 18,324.45/x
  3. Step 3: Cross multiply
    36,100.62x = 54,138.60 × 18,324.45
  4. Step 4: Simplify right side
    36,100.62x = 992,060,068.77
  5. Step 5: Solve for x
    x = 992,060,068.77/36,100.62
  6. Step 6: Final answer
    x = 27,480.42

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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.