Home / 30,344.40-41,878.38-16,917.84

Finding the Fourth Proportional to 30,344.40, 41,878.38 and 16,917.84

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Solution

The fourth proportional to 30,344.40, 41,878.38 and 16,917.84 is: 23,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.40 : 41,878.38 = 16,917.84 : x
  2. Step 2: Convert to fraction form
    30,344.40/41,878.38 = 16,917.84/x
  3. Step 3: Cross multiply
    30,344.40x = 41,878.38 × 16,917.84
  4. Step 4: Simplify right side
    30,344.40x = 708,491,732.30
  5. Step 5: Solve for x
    x = 708,491,732.30/30,344.40
  6. Step 6: Final answer
    x = 23,348.35

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1.5x scale

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.