Home / 36,395.75-50,222.09-20,479.86

Finding the Fourth Proportional to 36,395.75, 50,222.09 and 20,479.86

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Solution

The fourth proportional to 36,395.75, 50,222.09 and 20,479.86 is: 28,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,395.75 : 50,222.09 = 20,479.86 : x
  2. Step 2: Convert to fraction form
    36,395.75/50,222.09 = 20,479.86/x
  3. Step 3: Cross multiply
    36,395.75x = 50,222.09 × 20,479.86
  4. Step 4: Simplify right side
    36,395.75x = 1,028,541,423.31
  5. Step 5: Solve for x
    x = 1,028,541,423.31/36,395.75
  6. Step 6: Final answer
    x = 28,259.93

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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.