Home / 38,270.20-57,405.30-36,739.30

Finding the Fourth Proportional to 38,270.20, 57,405.30 and 36,739.30

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Solution

The fourth proportional to 38,270.20, 57,405.30 and 36,739.30 is: 55,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.20 : 57,405.30 = 36,739.30 : x
  2. Step 2: Convert to fraction form
    38,270.20/57,405.30 = 36,739.30/x
  3. Step 3: Cross multiply
    38,270.20x = 57,405.30 × 36,739.30
  4. Step 4: Simplify right side
    38,270.20x = 2,109,030,538.29
  5. Step 5: Solve for x
    x = 2,109,030,538.29/38,270.20
  6. Step 6: Final answer
    x = 55,108.95

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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.