Home / 54,294.10-81,436.02-19,231.90

Finding the Fourth Proportional to 54,294.10, 81,436.02 and 19,231.90

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Solution

The fourth proportional to 54,294.10, 81,436.02 and 19,231.90 is: 28,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,294.10 : 81,436.02 = 19,231.90 : x
  2. Step 2: Convert to fraction form
    54,294.10/81,436.02 = 19,231.90/x
  3. Step 3: Cross multiply
    54,294.10x = 81,436.02 × 19,231.90
  4. Step 4: Simplify right side
    54,294.10x = 1,566,169,393.04
  5. Step 5: Solve for x
    x = 1,566,169,393.04/54,294.10
  6. Step 6: Final answer
    x = 28,846.03

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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.