Home / 49,406.85-74,124.15-19,845.45

Finding the Fourth Proportional to 49,406.85, 74,124.15 and 19,845.45

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Solution

The fourth proportional to 49,406.85, 74,124.15 and 19,845.45 is: 29,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,406.85 : 74,124.15 = 19,845.45 : x
  2. Step 2: Convert to fraction form
    49,406.85/74,124.15 = 19,845.45/x
  3. Step 3: Cross multiply
    49,406.85x = 74,124.15 × 19,845.45
  4. Step 4: Simplify right side
    49,406.85x = 1,471,027,112.62
  5. Step 5: Solve for x
    x = 1,471,027,112.62/49,406.85
  6. Step 6: Final answer
    x = 29,773.75

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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.