Home / 49,564.40-74,420.41-20,039.90

Finding the Fourth Proportional to 49,564.40, 74,420.41 and 20,039.90

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Solution

The fourth proportional to 49,564.40, 74,420.41 and 20,039.90 is: 30,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,564.40 : 74,420.41 = 20,039.90 : x
  2. Step 2: Convert to fraction form
    49,564.40/74,420.41 = 20,039.90/x
  3. Step 3: Cross multiply
    49,564.40x = 74,420.41 × 20,039.90
  4. Step 4: Simplify right side
    49,564.40x = 1,491,377,608.35
  5. Step 5: Solve for x
    x = 1,491,377,608.35/49,564.40
  6. Step 6: Final answer
    x = 30,089.69

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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.