Home / 54,589.80-81,880.38-19,525.80

Finding the Fourth Proportional to 54,589.80, 81,880.38 and 19,525.80

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Solution

The fourth proportional to 54,589.80, 81,880.38 and 19,525.80 is: 29,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,589.80 : 81,880.38 = 19,525.80 : x
  2. Step 2: Convert to fraction form
    54,589.80/81,880.38 = 19,525.80/x
  3. Step 3: Cross multiply
    54,589.80x = 81,880.38 × 19,525.80
  4. Step 4: Simplify right side
    54,589.80x = 1,598,779,923.80
  5. Step 5: Solve for x
    x = 1,598,779,923.80/54,589.80
  6. Step 6: Final answer
    x = 29,287.15

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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.