Home / 49,710.46-74,563.20-18,543.28

Finding the Fourth Proportional to 49,710.46, 74,563.20 and 18,543.28

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Solution

The fourth proportional to 49,710.46, 74,563.20 and 18,543.28 is: 27,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,710.46 : 74,563.20 = 18,543.28 : x
  2. Step 2: Convert to fraction form
    49,710.46/74,563.20 = 18,543.28/x
  3. Step 3: Cross multiply
    49,710.46x = 74,563.20 × 18,543.28
  4. Step 4: Simplify right side
    49,710.46x = 1,382,646,295.30
  5. Step 5: Solve for x
    x = 1,382,646,295.30/49,710.46
  6. Step 6: Final answer
    x = 27,813.99

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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.