Home / 36,409.15-50,239.33-20,490.49

Finding the Fourth Proportional to 36,409.15, 50,239.33 and 20,490.49

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Solution

The fourth proportional to 36,409.15, 50,239.33 and 20,490.49 is: 28,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,409.15 : 50,239.33 = 20,490.49 : x
  2. Step 2: Convert to fraction form
    36,409.15/50,239.33 = 20,490.49/x
  3. Step 3: Cross multiply
    36,409.15x = 50,239.33 × 20,490.49
  4. Step 4: Simplify right side
    36,409.15x = 1,029,428,488.97
  5. Step 5: Solve for x
    x = 1,029,428,488.97/36,409.15
  6. Step 6: Final answer
    x = 28,273.90

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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.