Home / 36,563.20-54,844.80-11,939.20

Finding the Fourth Proportional to 36,563.20, 54,844.80 and 11,939.20

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Solution

The fourth proportional to 36,563.20, 54,844.80 and 11,939.20 is: 17,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,563.20 : 54,844.80 = 11,939.20 : x
  2. Step 2: Convert to fraction form
    36,563.20/54,844.80 = 11,939.20/x
  3. Step 3: Cross multiply
    36,563.20x = 54,844.80 × 11,939.20
  4. Step 4: Simplify right side
    36,563.20x = 654,803,036.16
  5. Step 5: Solve for x
    x = 654,803,036.16/36,563.20
  6. Step 6: Final answer
    x = 17,908.80

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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.