Home / 30,376.64-41,919.15-16,765.95

Finding the Fourth Proportional to 30,376.64, 41,919.15 and 16,765.95

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Solution

The fourth proportional to 30,376.64, 41,919.15 and 16,765.95 is: 23,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.64 : 41,919.15 = 16,765.95 : x
  2. Step 2: Convert to fraction form
    30,376.64/41,919.15 = 16,765.95/x
  3. Step 3: Cross multiply
    30,376.64x = 41,919.15 × 16,765.95
  4. Step 4: Simplify right side
    30,376.64x = 702,814,372.94
  5. Step 5: Solve for x
    x = 702,814,372.94/30,376.64
  6. Step 6: Final answer
    x = 23,136.68

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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.