Home / 49,855.59-74,817.99-20,273.45

Finding the Fourth Proportional to 49,855.59, 74,817.99 and 20,273.45

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Solution

The fourth proportional to 49,855.59, 74,817.99 and 20,273.45 is: 30,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,855.59 : 74,817.99 = 20,273.45 : x
  2. Step 2: Convert to fraction form
    49,855.59/74,817.99 = 20,273.45/x
  3. Step 3: Cross multiply
    49,855.59x = 74,817.99 × 20,273.45
  4. Step 4: Simplify right side
    49,855.59x = 1,516,818,405.28
  5. Step 5: Solve for x
    x = 1,516,818,405.28/49,855.59
  6. Step 6: Final answer
    x = 30,424.24

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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.