Home / 49,708.20-74,562.30-18,541.80

Finding the Fourth Proportional to 49,708.20, 74,562.30 and 18,541.80

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Solution

The fourth proportional to 49,708.20, 74,562.30 and 18,541.80 is: 27,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,708.20 : 74,562.30 = 18,541.80 : x
  2. Step 2: Convert to fraction form
    49,708.20/74,562.30 = 18,541.80/x
  3. Step 3: Cross multiply
    49,708.20x = 74,562.30 × 18,541.80
  4. Step 4: Simplify right side
    49,708.20x = 1,382,519,254.14
  5. Step 5: Solve for x
    x = 1,382,519,254.14/49,708.20
  6. Step 6: Final answer
    x = 27,812.70

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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.