Home / 39,266.70-58,880.34-18,188.61

Finding the Fourth Proportional to 39,266.70, 58,880.34 and 18,188.61

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Solution

The fourth proportional to 39,266.70, 58,880.34 and 18,188.61 is: 27,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,266.70 : 58,880.34 = 18,188.61 : x
  2. Step 2: Convert to fraction form
    39,266.70/58,880.34 = 18,188.61/x
  3. Step 3: Cross multiply
    39,266.70x = 58,880.34 × 18,188.61
  4. Step 4: Simplify right side
    39,266.70x = 1,070,951,540.93
  5. Step 5: Solve for x
    x = 1,070,951,540.93/39,266.70
  6. Step 6: Final answer
    x = 27,273.79

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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.