Home / 39,494.72-54,502.59-21,589.73

Finding the Fourth Proportional to 39,494.72, 54,502.59 and 21,589.73

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Solution

The fourth proportional to 39,494.72, 54,502.59 and 21,589.73 is: 29,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,494.72 : 54,502.59 = 21,589.73 : x
  2. Step 2: Convert to fraction form
    39,494.72/54,502.59 = 21,589.73/x
  3. Step 3: Cross multiply
    39,494.72x = 54,502.59 × 21,589.73
  4. Step 4: Simplify right side
    39,494.72x = 1,176,696,202.40
  5. Step 5: Solve for x
    x = 1,176,696,202.40/39,494.72
  6. Step 6: Final answer
    x = 29,793.76

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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.