Home / 49,957.82-74,934.96-12,518.21

Finding the Fourth Proportional to 49,957.82, 74,934.96 and 12,518.21

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Solution

The fourth proportional to 49,957.82, 74,934.96 and 12,518.21 is: 18,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,957.82 : 74,934.96 = 12,518.21 : x
  2. Step 2: Convert to fraction form
    49,957.82/74,934.96 = 12,518.21/x
  3. Step 3: Cross multiply
    49,957.82x = 74,934.96 × 12,518.21
  4. Step 4: Simplify right side
    49,957.82x = 938,051,190.95
  5. Step 5: Solve for x
    x = 938,051,190.95/49,957.82
  6. Step 6: Final answer
    x = 18,776.87

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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.