Home / 52,741.20-78,918-49,891.44

Finding the Fourth Proportional to 52,741.20, 78,918 and 49,891.44

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Solution

The fourth proportional to 52,741.20, 78,918 and 49,891.44 is: 74,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,741.20 : 78,918 = 49,891.44 : x
  2. Step 2: Convert to fraction form
    52,741.20/78,918 = 49,891.44/x
  3. Step 3: Cross multiply
    52,741.20x = 78,918 × 49,891.44
  4. Step 4: Simplify right side
    52,741.20x = 3,937,332,661.92
  5. Step 5: Solve for x
    x = 3,937,332,661.92/52,741.20
  6. Step 6: Final answer
    x = 74,653.83

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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.