Home / 54,618.69-81,939.74-30,937.43

Finding the Fourth Proportional to 54,618.69, 81,939.74 and 30,937.43

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Solution

The fourth proportional to 54,618.69, 81,939.74 and 30,937.43 is: 46,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.69 : 81,939.74 = 30,937.43 : x
  2. Step 2: Convert to fraction form
    54,618.69/81,939.74 = 30,937.43/x
  3. Step 3: Cross multiply
    54,618.69x = 81,939.74 × 30,937.43
  4. Step 4: Simplify right side
    54,618.69x = 2,535,005,194.65
  5. Step 5: Solve for x
    x = 2,535,005,194.65/54,618.69
  6. Step 6: Final answer
    x = 46,412.78

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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.