Home / 36,411.72-50,249.52-20,280.48

Finding the Fourth Proportional to 36,411.72, 50,249.52 and 20,280.48

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Solution

The fourth proportional to 36,411.72, 50,249.52 and 20,280.48 is: 27,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,411.72 : 50,249.52 = 20,280.48 : x
  2. Step 2: Convert to fraction form
    36,411.72/50,249.52 = 20,280.48/x
  3. Step 3: Cross multiply
    36,411.72x = 50,249.52 × 20,280.48
  4. Step 4: Simplify right side
    36,411.72x = 1,019,084,385.37
  5. Step 5: Solve for x
    x = 1,019,084,385.37/36,411.72
  6. Step 6: Final answer
    x = 27,987.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.