Home / 49,087.32-67,732.10-28,936.85

Finding the Fourth Proportional to 49,087.32, 67,732.10 and 28,936.85

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Solution

The fourth proportional to 49,087.32, 67,732.10 and 28,936.85 is: 39,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,087.32 : 67,732.10 = 28,936.85 : x
  2. Step 2: Convert to fraction form
    49,087.32/67,732.10 = 28,936.85/x
  3. Step 3: Cross multiply
    49,087.32x = 67,732.10 × 28,936.85
  4. Step 4: Simplify right side
    49,087.32x = 1,959,953,243.05
  5. Step 5: Solve for x
    x = 1,959,953,243.05/49,087.32
  6. Step 6: Final answer
    x = 39,927.90

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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.