Home / 54,979.97-75,943.53-40,668.89

Finding the Fourth Proportional to 54,979.97, 75,943.53 and 40,668.89

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Solution

The fourth proportional to 54,979.97, 75,943.53 and 40,668.89 is: 56,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.97 : 75,943.53 = 40,668.89 : x
  2. Step 2: Convert to fraction form
    54,979.97/75,943.53 = 40,668.89/x
  3. Step 3: Cross multiply
    54,979.97x = 75,943.53 × 40,668.89
  4. Step 4: Simplify right side
    54,979.97x = 3,088,538,688.06
  5. Step 5: Solve for x
    x = 3,088,538,688.06/54,979.97
  6. Step 6: Final answer
    x = 56,175.71

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1.5x scale

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.