Home / 54,071.06-81,108.83-18,556.79

Finding the Fourth Proportional to 54,071.06, 81,108.83 and 18,556.79

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Solution

The fourth proportional to 54,071.06, 81,108.83 and 18,556.79 is: 27,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.06 : 81,108.83 = 18,556.79 : x
  2. Step 2: Convert to fraction form
    54,071.06/81,108.83 = 18,556.79/x
  3. Step 3: Cross multiply
    54,071.06x = 81,108.83 × 18,556.79
  4. Step 4: Simplify right side
    54,071.06x = 1,505,119,774.62
  5. Step 5: Solve for x
    x = 1,505,119,774.62/54,071.06
  6. Step 6: Final answer
    x = 27,835.96

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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.