Home / 54,441.30-81,669.24-19,381.26

Finding the Fourth Proportional to 54,441.30, 81,669.24 and 19,381.26

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Solution

The fourth proportional to 54,441.30, 81,669.24 and 19,381.26 is: 29,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,441.30 : 81,669.24 = 19,381.26 : x
  2. Step 2: Convert to fraction form
    54,441.30/81,669.24 = 19,381.26/x
  3. Step 3: Cross multiply
    54,441.30x = 81,669.24 × 19,381.26
  4. Step 4: Simplify right side
    54,441.30x = 1,582,852,774.44
  5. Step 5: Solve for x
    x = 1,582,852,774.44/54,441.30
  6. Step 6: Final answer
    x = 29,074.49

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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.