Home / 36,147.86-54,237.38-13,976.84

Finding the Fourth Proportional to 36,147.86, 54,237.38 and 13,976.84

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Solution

The fourth proportional to 36,147.86, 54,237.38 and 13,976.84 is: 20,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.86 : 54,237.38 = 13,976.84 : x
  2. Step 2: Convert to fraction form
    36,147.86/54,237.38 = 13,976.84/x
  3. Step 3: Cross multiply
    36,147.86x = 54,237.38 × 13,976.84
  4. Step 4: Simplify right side
    36,147.86x = 758,067,182.28
  5. Step 5: Solve for x
    x = 758,067,182.28/36,147.86
  6. Step 6: Final answer
    x = 20,971.29

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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.