Home / 36,215.35-54,324.71-18,719.35

Finding the Fourth Proportional to 36,215.35, 54,324.71 and 18,719.35

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Solution

The fourth proportional to 36,215.35, 54,324.71 and 18,719.35 is: 28,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,215.35 : 54,324.71 = 18,719.35 : x
  2. Step 2: Convert to fraction form
    36,215.35/54,324.71 = 18,719.35/x
  3. Step 3: Cross multiply
    36,215.35x = 54,324.71 × 18,719.35
  4. Step 4: Simplify right side
    36,215.35x = 1,016,923,260.14
  5. Step 5: Solve for x
    x = 1,016,923,260.14/36,215.35
  6. Step 6: Final answer
    x = 28,079.90

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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.