Home / 42,542.44-63,771.38-20,329.88

Finding the Fourth Proportional to 42,542.44, 63,771.38 and 20,329.88

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Solution

The fourth proportional to 42,542.44, 63,771.38 and 20,329.88 is: 30,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.44 : 63,771.38 = 20,329.88 : x
  2. Step 2: Convert to fraction form
    42,542.44/63,771.38 = 20,329.88/x
  3. Step 3: Cross multiply
    42,542.44x = 63,771.38 × 20,329.88
  4. Step 4: Simplify right side
    42,542.44x = 1,296,464,502.83
  5. Step 5: Solve for x
    x = 1,296,464,502.83/42,542.44
  6. Step 6: Final answer
    x = 30,474.62

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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.