Home / 30,654.38-45,958.27-15,853.87

Finding the Fourth Proportional to 30,654.38, 45,958.27 and 15,853.87

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Solution

The fourth proportional to 30,654.38, 45,958.27 and 15,853.87 is: 23,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.38 : 45,958.27 = 15,853.87 : x
  2. Step 2: Convert to fraction form
    30,654.38/45,958.27 = 15,853.87/x
  3. Step 3: Cross multiply
    30,654.38x = 45,958.27 × 15,853.87
  4. Step 4: Simplify right side
    30,654.38x = 728,616,128.94
  5. Step 5: Solve for x
    x = 728,616,128.94/30,654.38
  6. Step 6: Final answer
    x = 23,768.74

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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.