Home / 36,407.78-54,619.46-20,620.27

Finding the Fourth Proportional to 36,407.78, 54,619.46 and 20,620.27

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Solution

The fourth proportional to 36,407.78, 54,619.46 and 20,620.27 is: 30,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,407.78 : 54,619.46 = 20,620.27 : x
  2. Step 2: Convert to fraction form
    36,407.78/54,619.46 = 20,620.27/x
  3. Step 3: Cross multiply
    36,407.78x = 54,619.46 × 20,620.27
  4. Step 4: Simplify right side
    36,407.78x = 1,126,267,927.46
  5. Step 5: Solve for x
    x = 1,126,267,927.46/36,407.78
  6. Step 6: Final answer
    x = 30,934.82

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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.