Home / 61,578.63-84,979.46-36,078.89

Finding the Fourth Proportional to 61,578.63, 84,979.46 and 36,078.89

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Solution

The fourth proportional to 61,578.63, 84,979.46 and 36,078.89 is: 49,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,578.63 : 84,979.46 = 36,078.89 : x
  2. Step 2: Convert to fraction form
    61,578.63/84,979.46 = 36,078.89/x
  3. Step 3: Cross multiply
    61,578.63x = 84,979.46 × 36,078.89
  4. Step 4: Simplify right side
    61,578.63x = 3,065,964,621.65
  5. Step 5: Solve for x
    x = 3,065,964,621.65/61,578.63
  6. Step 6: Final answer
    x = 49,789.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.