Home / 30,132.30-41,578.20-16,703.55

Finding the Fourth Proportional to 30,132.30, 41,578.20 and 16,703.55

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Solution

The fourth proportional to 30,132.30, 41,578.20 and 16,703.55 is: 23,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.30 : 41,578.20 = 16,703.55 : x
  2. Step 2: Convert to fraction form
    30,132.30/41,578.20 = 16,703.55/x
  3. Step 3: Cross multiply
    30,132.30x = 41,578.20 × 16,703.55
  4. Step 4: Simplify right side
    30,132.30x = 694,503,542.61
  5. Step 5: Solve for x
    x = 694,503,542.61/30,132.30
  6. Step 6: Final answer
    x = 23,048.47

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