Home / 49,784.84-74,619.48-20,165.84

Finding the Fourth Proportional to 49,784.84, 74,619.48 and 20,165.84

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Solution

The fourth proportional to 49,784.84, 74,619.48 and 20,165.84 is: 30,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,784.84 : 74,619.48 = 20,165.84 : x
  2. Step 2: Convert to fraction form
    49,784.84/74,619.48 = 20,165.84/x
  3. Step 3: Cross multiply
    49,784.84x = 74,619.48 × 20,165.84
  4. Step 4: Simplify right side
    49,784.84x = 1,504,764,494.56
  5. Step 5: Solve for x
    x = 1,504,764,494.56/49,784.84
  6. Step 6: Final answer
    x = 30,225.36

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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.