Home / 49,042.92-67,678.60-28,900.65

Finding the Fourth Proportional to 49,042.92, 67,678.60 and 28,900.65

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Solution

The fourth proportional to 49,042.92, 67,678.60 and 28,900.65 is: 39,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,042.92 : 67,678.60 = 28,900.65 : x
  2. Step 2: Convert to fraction form
    49,042.92/67,678.60 = 28,900.65/x
  3. Step 3: Cross multiply
    49,042.92x = 67,678.60 × 28,900.65
  4. Step 4: Simplify right side
    49,042.92x = 1,955,955,531.09
  5. Step 5: Solve for x
    x = 1,955,955,531.09/49,042.92
  6. Step 6: Final answer
    x = 39,882.53

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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.