Home / 36,821.20-55,231.80-23,699.20

Finding the Fourth Proportional to 36,821.20, 55,231.80 and 23,699.20

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Solution

The fourth proportional to 36,821.20, 55,231.80 and 23,699.20 is: 35,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.20 : 55,231.80 = 23,699.20 : x
  2. Step 2: Convert to fraction form
    36,821.20/55,231.80 = 23,699.20/x
  3. Step 3: Cross multiply
    36,821.20x = 55,231.80 × 23,699.20
  4. Step 4: Simplify right side
    36,821.20x = 1,308,949,474.56
  5. Step 5: Solve for x
    x = 1,308,949,474.56/36,821.20
  6. Step 6: Final answer
    x = 35,548.80

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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.