Home / 49,660.94-74,491.23-20,078.42

Finding the Fourth Proportional to 49,660.94, 74,491.23 and 20,078.42

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Solution

The fourth proportional to 49,660.94, 74,491.23 and 20,078.42 is: 30,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,660.94 : 74,491.23 = 20,078.42 : x
  2. Step 2: Convert to fraction form
    49,660.94/74,491.23 = 20,078.42/x
  3. Step 3: Cross multiply
    49,660.94x = 74,491.23 × 20,078.42
  4. Step 4: Simplify right side
    49,660.94x = 1,495,666,202.26
  5. Step 5: Solve for x
    x = 1,495,666,202.26/49,660.94
  6. Step 6: Final answer
    x = 30,117.56

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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.