Home / 54,046.91-74,581.64-30,175.10

Finding the Fourth Proportional to 54,046.91, 74,581.64 and 30,175.10

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Solution

The fourth proportional to 54,046.91, 74,581.64 and 30,175.10 is: 41,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,046.91 : 74,581.64 = 30,175.10 : x
  2. Step 2: Convert to fraction form
    54,046.91/74,581.64 = 30,175.10/x
  3. Step 3: Cross multiply
    54,046.91x = 74,581.64 × 30,175.10
  4. Step 4: Simplify right side
    54,046.91x = 2,250,507,921.38
  5. Step 5: Solve for x
    x = 2,250,507,921.38/54,046.91
  6. Step 6: Final answer
    x = 41,639.90

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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.