Home / 30,229.74-41,715.43-16,800.64

Finding the Fourth Proportional to 30,229.74, 41,715.43 and 16,800.64

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Solution

The fourth proportional to 30,229.74, 41,715.43 and 16,800.64 is: 23,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.74 : 41,715.43 = 16,800.64 : x
  2. Step 2: Convert to fraction form
    30,229.74/41,715.43 = 16,800.64/x
  3. Step 3: Cross multiply
    30,229.74x = 41,715.43 × 16,800.64
  4. Step 4: Simplify right side
    30,229.74x = 700,845,775.59
  5. Step 5: Solve for x
    x = 700,845,775.59/30,229.74
  6. Step 6: Final answer
    x = 23,183.98

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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.