Home / 39,278.61-54,201.60-22,286.43

Finding the Fourth Proportional to 39,278.61, 54,201.60 and 22,286.43

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Solution

The fourth proportional to 39,278.61, 54,201.60 and 22,286.43 is: 30,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.61 : 54,201.60 = 22,286.43 : x
  2. Step 2: Convert to fraction form
    39,278.61/54,201.60 = 22,286.43/x
  3. Step 3: Cross multiply
    39,278.61x = 54,201.60 × 22,286.43
  4. Step 4: Simplify right side
    39,278.61x = 1,207,960,164.29
  5. Step 5: Solve for x
    x = 1,207,960,164.29/39,278.61
  6. Step 6: Final answer
    x = 30,753.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.