Home / 36,120.80-54,181.28-9,825.60

Finding the Fourth Proportional to 36,120.80, 54,181.28 and 9,825.60

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Solution

The fourth proportional to 36,120.80, 54,181.28 and 9,825.60 is: 14,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.80 : 54,181.28 = 9,825.60 : x
  2. Step 2: Convert to fraction form
    36,120.80/54,181.28 = 9,825.60/x
  3. Step 3: Cross multiply
    36,120.80x = 54,181.28 × 9,825.60
  4. Step 4: Simplify right side
    36,120.80x = 532,363,584.77
  5. Step 5: Solve for x
    x = 532,363,584.77/36,120.80
  6. Step 6: Final answer
    x = 14,738.42

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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.