Home / 36,121.80-54,182.78-9,826.60

Finding the Fourth Proportional to 36,121.80, 54,182.78 and 9,826.60

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Solution

The fourth proportional to 36,121.80, 54,182.78 and 9,826.60 is: 14,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.80 : 54,182.78 = 9,826.60 : x
  2. Step 2: Convert to fraction form
    36,121.80/54,182.78 = 9,826.60/x
  3. Step 3: Cross multiply
    36,121.80x = 54,182.78 × 9,826.60
  4. Step 4: Simplify right side
    36,121.80x = 532,432,505.95
  5. Step 5: Solve for x
    x = 532,432,505.95/36,121.80
  6. Step 6: Final answer
    x = 14,739.92

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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.