Home / 49,813.38-74,721.09-20,210.97

Finding the Fourth Proportional to 49,813.38, 74,721.09 and 20,210.97

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Solution

The fourth proportional to 49,813.38, 74,721.09 and 20,210.97 is: 30,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,813.38 : 74,721.09 = 20,210.97 : x
  2. Step 2: Convert to fraction form
    49,813.38/74,721.09 = 20,210.97/x
  3. Step 3: Cross multiply
    49,813.38x = 74,721.09 × 20,210.97
  4. Step 4: Simplify right side
    49,813.38x = 1,510,185,708.36
  5. Step 5: Solve for x
    x = 1,510,185,708.36/49,813.38
  6. Step 6: Final answer
    x = 30,316.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.