Home / 54,173.88-81,262.98-19,108.44

Finding the Fourth Proportional to 54,173.88, 81,262.98 and 19,108.44

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Solution

The fourth proportional to 54,173.88, 81,262.98 and 19,108.44 is: 28,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.88 : 81,262.98 = 19,108.44 : x
  2. Step 2: Convert to fraction form
    54,173.88/81,262.98 = 19,108.44/x
  3. Step 3: Cross multiply
    54,173.88x = 81,262.98 × 19,108.44
  4. Step 4: Simplify right side
    54,173.88x = 1,552,808,777.55
  5. Step 5: Solve for x
    x = 1,552,808,777.55/54,173.88
  6. Step 6: Final answer
    x = 28,663.42

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1.5x scale

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.