Home / 43,151.82-64,736.55-18,191.87

Finding the Fourth Proportional to 43,151.82, 64,736.55 and 18,191.87

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Solution

The fourth proportional to 43,151.82, 64,736.55 and 18,191.87 is: 27,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,151.82 : 64,736.55 = 18,191.87 : x
  2. Step 2: Convert to fraction form
    43,151.82/64,736.55 = 18,191.87/x
  3. Step 3: Cross multiply
    43,151.82x = 64,736.55 × 18,191.87
  4. Step 4: Simplify right side
    43,151.82x = 1,177,678,820.93
  5. Step 5: Solve for x
    x = 1,177,678,820.93/43,151.82
  6. Step 6: Final answer
    x = 27,291.52

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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.