Home / 38,808.40-58,135.80-23,179.60

Finding the Fourth Proportional to 38,808.40, 58,135.80 and 23,179.60

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Solution

The fourth proportional to 38,808.40, 58,135.80 and 23,179.60 is: 34,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,808.40 : 58,135.80 = 23,179.60 : x
  2. Step 2: Convert to fraction form
    38,808.40/58,135.80 = 23,179.60/x
  3. Step 3: Cross multiply
    38,808.40x = 58,135.80 × 23,179.60
  4. Step 4: Simplify right side
    38,808.40x = 1,347,564,589.68
  5. Step 5: Solve for x
    x = 1,347,564,589.68/38,808.40
  6. Step 6: Final answer
    x = 34,723.53

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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.