Home / 54,974.64-82,505.68-19,924.32

Finding the Fourth Proportional to 54,974.64, 82,505.68 and 19,924.32

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Solution

The fourth proportional to 54,974.64, 82,505.68 and 19,924.32 is: 29,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,974.64 : 82,505.68 = 19,924.32 : x
  2. Step 2: Convert to fraction form
    54,974.64/82,505.68 = 19,924.32/x
  3. Step 3: Cross multiply
    54,974.64x = 82,505.68 × 19,924.32
  4. Step 4: Simplify right side
    54,974.64x = 1,643,869,570.14
  5. Step 5: Solve for x
    x = 1,643,869,570.14/54,974.64
  6. Step 6: Final answer
    x = 29,902.33

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1.5x scale

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.