Home / 49,674.06-74,510.46-20,091.60

Finding the Fourth Proportional to 49,674.06, 74,510.46 and 20,091.60

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Solution

The fourth proportional to 49,674.06, 74,510.46 and 20,091.60 is: 30,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,674.06 : 74,510.46 = 20,091.60 : x
  2. Step 2: Convert to fraction form
    49,674.06/74,510.46 = 20,091.60/x
  3. Step 3: Cross multiply
    49,674.06x = 74,510.46 × 20,091.60
  4. Step 4: Simplify right side
    49,674.06x = 1,497,034,358.14
  5. Step 5: Solve for x
    x = 1,497,034,358.14/49,674.06
  6. Step 6: Final answer
    x = 30,137.15

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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.