Home / 49,587.14-74,380.68-12,651.14

Finding the Fourth Proportional to 49,587.14, 74,380.68 and 12,651.14

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Solution

The fourth proportional to 49,587.14, 74,380.68 and 12,651.14 is: 18,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,587.14 : 74,380.68 = 12,651.14 : x
  2. Step 2: Convert to fraction form
    49,587.14/74,380.68 = 12,651.14/x
  3. Step 3: Cross multiply
    49,587.14x = 74,380.68 × 12,651.14
  4. Step 4: Simplify right side
    49,587.14x = 941,000,395.98
  5. Step 5: Solve for x
    x = 941,000,395.98/49,587.14
  6. Step 6: Final answer
    x = 18,976.70

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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.