Home / 49,807.28-74,736.84-20,246.96

Finding the Fourth Proportional to 49,807.28, 74,736.84 and 20,246.96

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Solution

The fourth proportional to 49,807.28, 74,736.84 and 20,246.96 is: 30,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,807.28 : 74,736.84 = 20,246.96 : x
  2. Step 2: Convert to fraction form
    49,807.28/74,736.84 = 20,246.96/x
  3. Step 3: Cross multiply
    49,807.28x = 74,736.84 × 20,246.96
  4. Step 4: Simplify right side
    49,807.28x = 1,513,193,810.01
  5. Step 5: Solve for x
    x = 1,513,193,810.01/49,807.28
  6. Step 6: Final answer
    x = 30,380.98

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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.