Home / 54,288.30-81,444.60-16,850.10

Finding the Fourth Proportional to 54,288.30, 81,444.60 and 16,850.10

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Solution

The fourth proportional to 54,288.30, 81,444.60 and 16,850.10 is: 25,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288.30 : 81,444.60 = 16,850.10 : x
  2. Step 2: Convert to fraction form
    54,288.30/81,444.60 = 16,850.10/x
  3. Step 3: Cross multiply
    54,288.30x = 81,444.60 × 16,850.10
  4. Step 4: Simplify right side
    54,288.30x = 1,372,349,654.46
  5. Step 5: Solve for x
    x = 1,372,349,654.46/54,288.30
  6. Step 6: Final answer
    x = 25,278.92

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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.