Home / 30,306.20-41,823.96-16,877.60

Finding the Fourth Proportional to 30,306.20, 41,823.96 and 16,877.60

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Solution

The fourth proportional to 30,306.20, 41,823.96 and 16,877.60 is: 23,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.20 : 41,823.96 = 16,877.60 : x
  2. Step 2: Convert to fraction form
    30,306.20/41,823.96 = 16,877.60/x
  3. Step 3: Cross multiply
    30,306.20x = 41,823.96 × 16,877.60
  4. Step 4: Simplify right side
    30,306.20x = 705,888,067.30
  5. Step 5: Solve for x
    x = 705,888,067.30/30,306.20
  6. Step 6: Final answer
    x = 23,291.87

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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.