Home / 38,992.78-58,504.56-20,284.55

Finding the Fourth Proportional to 38,992.78, 58,504.56 and 20,284.55

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Solution

The fourth proportional to 38,992.78, 58,504.56 and 20,284.55 is: 30,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992.78 : 58,504.56 = 20,284.55 : x
  2. Step 2: Convert to fraction form
    38,992.78/58,504.56 = 20,284.55/x
  3. Step 3: Cross multiply
    38,992.78x = 58,504.56 × 20,284.55
  4. Step 4: Simplify right side
    38,992.78x = 1,186,738,672.55
  5. Step 5: Solve for x
    x = 1,186,738,672.55/38,992.78
  6. Step 6: Final answer
    x = 30,434.83

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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.