Home / 54,472.37-81,711.62-19,412.02

Finding the Fourth Proportional to 54,472.37, 81,711.62 and 19,412.02

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Solution

The fourth proportional to 54,472.37, 81,711.62 and 19,412.02 is: 29,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,472.37 : 81,711.62 = 19,412.02 : x
  2. Step 2: Convert to fraction form
    54,472.37/81,711.62 = 19,412.02/x
  3. Step 3: Cross multiply
    54,472.37x = 81,711.62 × 19,412.02
  4. Step 4: Simplify right side
    54,472.37x = 1,586,187,300.33
  5. Step 5: Solve for x
    x = 1,586,187,300.33/54,472.37
  6. Step 6: Final answer
    x = 29,119.12

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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.