Home / 49,240.14-67,952.94-28,020.78

Finding the Fourth Proportional to 49,240.14, 67,952.94 and 28,020.78

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Solution

The fourth proportional to 49,240.14, 67,952.94 and 28,020.78 is: 38,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,240.14 : 67,952.94 = 28,020.78 : x
  2. Step 2: Convert to fraction form
    49,240.14/67,952.94 = 28,020.78/x
  3. Step 3: Cross multiply
    49,240.14x = 67,952.94 × 28,020.78
  4. Step 4: Simplify right side
    49,240.14x = 1,904,094,382.09
  5. Step 5: Solve for x
    x = 1,904,094,382.09/49,240.14
  6. Step 6: Final answer
    x = 38,669.56

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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.