Home / 49,995.80-74,986.32-18,398.51

Finding the Fourth Proportional to 49,995.80, 74,986.32 and 18,398.51

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Solution

The fourth proportional to 49,995.80, 74,986.32 and 18,398.51 is: 27,595.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,995.80 : 74,986.32 = 18,398.51 : x
  2. Step 2: Convert to fraction form
    49,995.80/74,986.32 = 18,398.51/x
  3. Step 3: Cross multiply
    49,995.80x = 74,986.32 × 18,398.51
  4. Step 4: Simplify right side
    49,995.80x = 1,379,636,183.45
  5. Step 5: Solve for x
    x = 1,379,636,183.45/49,995.80
  6. Step 6: Final answer
    x = 27,595.04

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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.