Home / 54,089.98-81,135.27-14,647.43

Finding the Fourth Proportional to 54,089.98, 81,135.27 and 14,647.43

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Solution

The fourth proportional to 54,089.98, 81,135.27 and 14,647.43 is: 21,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.98 : 81,135.27 = 14,647.43 : x
  2. Step 2: Convert to fraction form
    54,089.98/81,135.27 = 14,647.43/x
  3. Step 3: Cross multiply
    54,089.98x = 81,135.27 × 14,647.43
  4. Step 4: Simplify right side
    54,089.98x = 1,188,423,390.69
  5. Step 5: Solve for x
    x = 1,188,423,390.69/54,089.98
  6. Step 6: Final answer
    x = 21,971.23

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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.