Home / 36,579.20-54,868.80-21,833.60

Finding the Fourth Proportional to 36,579.20, 54,868.80 and 21,833.60

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Solution

The fourth proportional to 36,579.20, 54,868.80 and 21,833.60 is: 32,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.20 : 54,868.80 = 21,833.60 : x
  2. Step 2: Convert to fraction form
    36,579.20/54,868.80 = 21,833.60/x
  3. Step 3: Cross multiply
    36,579.20x = 54,868.80 × 21,833.60
  4. Step 4: Simplify right side
    36,579.20x = 1,197,983,431.68
  5. Step 5: Solve for x
    x = 1,197,983,431.68/36,579.20
  6. Step 6: Final answer
    x = 32,750.40

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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.