Home / 30,278.52-41,784.12-16,850.61

Finding the Fourth Proportional to 30,278.52, 41,784.12 and 16,850.61

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Solution

The fourth proportional to 30,278.52, 41,784.12 and 16,850.61 is: 23,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278.52 : 41,784.12 = 16,850.61 : x
  2. Step 2: Convert to fraction form
    30,278.52/41,784.12 = 16,850.61/x
  3. Step 3: Cross multiply
    30,278.52x = 41,784.12 × 16,850.61
  4. Step 4: Simplify right side
    30,278.52x = 704,087,910.31
  5. Step 5: Solve for x
    x = 704,087,910.31/30,278.52
  6. Step 6: Final answer
    x = 23,253.71

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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.