Home / 49,869.36-74,818.11-20,308.41

Finding the Fourth Proportional to 49,869.36, 74,818.11 and 20,308.41

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Solution

The fourth proportional to 49,869.36, 74,818.11 and 20,308.41 is: 30,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.36 : 74,818.11 = 20,308.41 : x
  2. Step 2: Convert to fraction form
    49,869.36/74,818.11 = 20,308.41/x
  3. Step 3: Cross multiply
    49,869.36x = 74,818.11 × 20,308.41
  4. Step 4: Simplify right side
    49,869.36x = 1,519,436,853.31
  5. Step 5: Solve for x
    x = 1,519,436,853.31/49,869.36
  6. Step 6: Final answer
    x = 30,468.34

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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.