Home / 54,633.68-81,952.44-19,578.32

Finding the Fourth Proportional to 54,633.68, 81,952.44 and 19,578.32

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Solution

The fourth proportional to 54,633.68, 81,952.44 and 19,578.32 is: 29,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,633.68 : 81,952.44 = 19,578.32 : x
  2. Step 2: Convert to fraction form
    54,633.68/81,952.44 = 19,578.32/x
  3. Step 3: Cross multiply
    54,633.68x = 81,952.44 × 19,578.32
  4. Step 4: Simplify right side
    54,633.68x = 1,604,491,095.10
  5. Step 5: Solve for x
    x = 1,604,491,095.10/54,633.68
  6. Step 6: Final answer
    x = 29,368.17

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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.