Home / 54,423.53-81,585.99-19,354.97

Finding the Fourth Proportional to 54,423.53, 81,585.99 and 19,354.97

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Solution

The fourth proportional to 54,423.53, 81,585.99 and 19,354.97 is: 29,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.53 : 81,585.99 = 19,354.97 : x
  2. Step 2: Convert to fraction form
    54,423.53/81,585.99 = 19,354.97/x
  3. Step 3: Cross multiply
    54,423.53x = 81,585.99 × 19,354.97
  4. Step 4: Simplify right side
    54,423.53x = 1,579,094,388.87
  5. Step 5: Solve for x
    x = 1,579,094,388.87/54,423.53
  6. Step 6: Final answer
    x = 29,014.92

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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.