Home / 38,269.20-57,403.80-36,738.30

Finding the Fourth Proportional to 38,269.20, 57,403.80 and 36,738.30

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Solution

The fourth proportional to 38,269.20, 57,403.80 and 36,738.30 is: 55,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.20 : 57,403.80 = 36,738.30 : x
  2. Step 2: Convert to fraction form
    38,269.20/57,403.80 = 36,738.30/x
  3. Step 3: Cross multiply
    38,269.20x = 57,403.80 × 36,738.30
  4. Step 4: Simplify right side
    38,269.20x = 2,108,918,025.54
  5. Step 5: Solve for x
    x = 2,108,918,025.54/38,269.20
  6. Step 6: Final answer
    x = 55,107.45

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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.