Home / 49,862.49-74,771.82-18,675.87

Finding the Fourth Proportional to 49,862.49, 74,771.82 and 18,675.87

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Solution

The fourth proportional to 49,862.49, 74,771.82 and 18,675.87 is: 28,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,862.49 : 74,771.82 = 18,675.87 : x
  2. Step 2: Convert to fraction form
    49,862.49/74,771.82 = 18,675.87/x
  3. Step 3: Cross multiply
    49,862.49x = 74,771.82 × 18,675.87
  4. Step 4: Simplify right side
    49,862.49x = 1,396,428,789.98
  5. Step 5: Solve for x
    x = 1,396,428,789.98/49,862.49
  6. Step 6: Final answer
    x = 28,005.60

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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.