Home / 49,952.20-74,957.10-18,809.80

Finding the Fourth Proportional to 49,952.20, 74,957.10 and 18,809.80

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Solution

The fourth proportional to 49,952.20, 74,957.10 and 18,809.80 is: 28,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,952.20 : 74,957.10 = 18,809.80 : x
  2. Step 2: Convert to fraction form
    49,952.20/74,957.10 = 18,809.80/x
  3. Step 3: Cross multiply
    49,952.20x = 74,957.10 × 18,809.80
  4. Step 4: Simplify right side
    49,952.20x = 1,409,928,059.58
  5. Step 5: Solve for x
    x = 1,409,928,059.58/49,952.20
  6. Step 6: Final answer
    x = 28,225.54

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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.