Home / 36,640.20-54,963.78-9,986.52

Finding the Fourth Proportional to 36,640.20, 54,963.78 and 9,986.52

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Solution

The fourth proportional to 36,640.20, 54,963.78 and 9,986.52 is: 14,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.20 : 54,963.78 = 9,986.52 : x
  2. Step 2: Convert to fraction form
    36,640.20/54,963.78 = 9,986.52/x
  3. Step 3: Cross multiply
    36,640.20x = 54,963.78 × 9,986.52
  4. Step 4: Simplify right side
    36,640.20x = 548,896,888.25
  5. Step 5: Solve for x
    x = 548,896,888.25/36,640.20
  6. Step 6: Final answer
    x = 14,980.73

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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.