Home / 54,509.56-81,714.83-19,441.01

Finding the Fourth Proportional to 54,509.56, 81,714.83 and 19,441.01

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Solution

The fourth proportional to 54,509.56, 81,714.83 and 19,441.01 is: 29,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,509.56 : 81,714.83 = 19,441.01 : x
  2. Step 2: Convert to fraction form
    54,509.56/81,714.83 = 19,441.01/x
  3. Step 3: Cross multiply
    54,509.56x = 81,714.83 × 19,441.01
  4. Step 4: Simplify right side
    54,509.56x = 1,588,618,934.26
  5. Step 5: Solve for x
    x = 1,588,618,934.26/54,509.56
  6. Step 6: Final answer
    x = 29,143.86

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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.