Home / 36,216.20-54,324.30-28,780.40

Finding the Fourth Proportional to 36,216.20, 54,324.30 and 28,780.40

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Solution

The fourth proportional to 36,216.20, 54,324.30 and 28,780.40 is: 43,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216.20 : 54,324.30 = 28,780.40 : x
  2. Step 2: Convert to fraction form
    36,216.20/54,324.30 = 28,780.40/x
  3. Step 3: Cross multiply
    36,216.20x = 54,324.30 × 28,780.40
  4. Step 4: Simplify right side
    36,216.20x = 1,563,475,083.72
  5. Step 5: Solve for x
    x = 1,563,475,083.72/36,216.20
  6. Step 6: Final answer
    x = 43,170.60

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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.